Definition of moult in English:

moult

(US molt)

verb məʊltmoʊlt

[no object]

1(of an animal) shed old feathers, hair, or skin to make way for a new growth.
（动物）脱毛；蜕皮；脱壳；换羽
the adult birds were already moulting
with object the snake moults its skin
蛇蜕皮。
Example sentencesExamples
- In the fall they stop over at molt sites en route to their wintering areas, where they molt and grow new feathers before they move on.
- The larva molts again at 72 hours to become a third-stage larva.
- Unlike most birds with different breeding and non-breeding plumages, buntings molt only once a year.
- Length of the white spots, present on the tips of feathers when freshly molted, were not included in total length as in all birds these spots had worn off.
- Since adult birds molt on the breeding grounds before migrating south, juveniles should be easily distinguished from adults when they first arrive in Washington in the fall.
- That suggests that our captive SY birds molted their juvenal flight feathers on a schedule similar to that of Tufted Puffins in the wild.
- The scales are shed individually, so crocodilians do not molt (shed their skin all at once) like snakes do.
- In general, healed injuries are considered to have resulted from trauma during molting or wounds by predatory attack.
- Each year chickens molt, often looking quite ugly, but are rewarded with new and sturdy feathers.
- Because of their hard exoskeleton, to increase in size they must molt or shed their exoskeleton and produce a new one.
- This biasing factor is unique to organisms that molt or shed their skin during growth.
- These birds molt twice a year changing between alternate and basic (winter or non-breeding) plumage.
- When the lobster grows, it undergoes a process called molting, when the animal sheds its old exoskeleton and grows a new, larger one.
- Also, hermit crabs commonly kept as pets molt and shed their exoskeleton.
- Once a year, though, when the birds molt, the tiny arthropods face life-or-death options.
- With few exceptions, only adult birds were observed to molt their flight feathers in a symmetrical pattern.
- Once animals have emerged as adults, they do not molt again, and their size and external morphology are fixed.
- As the larva feeds and grows, it molts, shedding its cuticle.
- In modern lobsters, the carapace material is partially resorbed prior to molting, making the carapace thin and weak.
- The fall migration is preceded by a molt migration where birds molt in large groups at northern coastal sites before heading south in fresh plumage.
Synonyms
shed, discard, slough off, throw off, get rid of, let fall, let drop
1. 1.1 (of hair or feathers) fall out to make way for new growth.
  （毛，羽）脱去；蜕去
  the last of his juvenile plumage had moulted
  他最后的雏鸟羽毛已蜕去了。
  Example sentencesExamples
  How often I see feathers molting to the ground-what's left of something in which nothing's to be found.

noun məʊltmoʊlt

A loss of feathers, hair, or skin, especially as a regular feature of an animal's life cycle.
脱毛；蜕皮；换羽
the mountain goat is brilliant white after the autumn moult
in the complete life cycle there are four moults
Example sentencesExamples
- They noted that the cephalopod eagerly attacked the molt and invariably did so by working from the posterior of the lobster abdomen toward the anterior.
- The larval stage consists of four phases, or instars, with a complete molt between each instar.
- Second, adults and juveniles of species that mainly breed in high elevation western coniferous forests are not expected to move to the Mexican monsoon region for their fall molts.
- Another subunit appears about the time of metamorphosis to first juvenile instar, and expression of a sixth subunit begins four or five molts later.
- During the final molt, from pupa to adult, the epidermal cells secrete special enzymes that rigidify the horns as well as hardening all the other adult structures.
- One month later, lobstermen in Western Long Island Sound began to report sightings of gravid female lobsters dying in the throes of abortive molts.
- Maturation involves 7-8 molts, and molting continues into adulthood.
- Post-embryonic development takes place during a series of four molts.
- They molt twice a year, the first molt, after breeding, gives the males their eclipse plumage.
- It is not long after this molting is complete that they start a second molt to acquire their alternate plumage.
- Birds eating balanced diets should have no trouble satisfying their nutritional needs during a molt.
- While all feathers wear, they are replaced regularly by the molt processes.
- At concentrations of 5 ppb and above, however, the number of molts increased with an average of one third of the animals undergoing molts.
- The molt is restricted to replacing feathers on the head and body.
- As suggested by Plotnick, this determination is not easily made on the basis of the fossils alone as all portions of the preservable integument may potentially be sufficiently well represented in molts.
- During each molt the animal calcifies a new carapace of about twice the volume of the previous one.
- Occasionally, females disperse at their penultimate instar and undergo their final molt in their new webs (personal observation).
- Carapace width does not vary within a molt and is proportional to the length of the males' raptorial forelimbs, which they use in attacking other males.
- The first smaller pulse induces switchover from larval to pupal commitment, and the second much larger pulse induces the pupal molt.
- The specimen also appears to be a whole animal rather than a molt: several appendages are preserved and in the first four and the last two abdominal segments a cylindrical structure is interpreted as the alimentary canal.

Origin

Middle English moute, from an Old English verb based on Latin mutare 'to change'. For the intrusive -l-, compare with words such as fault.

commute from Late Middle English:
In early use commute meant ‘to interchange two things’. Its source is Latin commutare, from com- ‘together’ and mutare ‘to change’, the root of English words such as moult (Late Middle English), mutant (early 19th century), and permutation (Late Middle English). The modern meaning, ‘to travel between home and your place of work’, comes from commutation ticket. This was the American term for a season ticket, where a number of daily fares were ‘commuted’ to, or changed into, a single payment. The Americans have been commuting since the 1860s, but the term did not make its way over to Britain until the 1930s.

Definition of molt in US English:

molt

(British moult)

verbmoʊltmōlt

[no object]

1(of an animal) shed old feathers, hair, or skin, or an old shell, to make way for a new growth.
（动物）脱毛；蜕皮；脱壳；换羽
with object the snake molts its skin
蛇蜕皮。
the adult birds were already molting into their winter shades of gray
成年鸟已开始换上冬天灰色的羽毛。
Example sentencesExamples
- Once animals have emerged as adults, they do not molt again, and their size and external morphology are fixed.
- The scales are shed individually, so crocodilians do not molt (shed their skin all at once) like snakes do.
- When the lobster grows, it undergoes a process called molting, when the animal sheds its old exoskeleton and grows a new, larger one.
- Also, hermit crabs commonly kept as pets molt and shed their exoskeleton.
- The larva molts again at 72 hours to become a third-stage larva.
- With few exceptions, only adult birds were observed to molt their flight feathers in a symmetrical pattern.
- Because of their hard exoskeleton, to increase in size they must molt or shed their exoskeleton and produce a new one.
- As the larva feeds and grows, it molts, shedding its cuticle.
- In the fall they stop over at molt sites en route to their wintering areas, where they molt and grow new feathers before they move on.
- These birds molt twice a year changing between alternate and basic (winter or non-breeding) plumage.
- Length of the white spots, present on the tips of feathers when freshly molted, were not included in total length as in all birds these spots had worn off.
- That suggests that our captive SY birds molted their juvenal flight feathers on a schedule similar to that of Tufted Puffins in the wild.
- In general, healed injuries are considered to have resulted from trauma during molting or wounds by predatory attack.
- In modern lobsters, the carapace material is partially resorbed prior to molting, making the carapace thin and weak.
- This biasing factor is unique to organisms that molt or shed their skin during growth.
- Unlike most birds with different breeding and non-breeding plumages, buntings molt only once a year.
- Once a year, though, when the birds molt, the tiny arthropods face life-or-death options.
- Since adult birds molt on the breeding grounds before migrating south, juveniles should be easily distinguished from adults when they first arrive in Washington in the fall.
- The fall migration is preceded by a molt migration where birds molt in large groups at northern coastal sites before heading south in fresh plumage.
- Each year chickens molt, often looking quite ugly, but are rewarded with new and sturdy feathers.
Synonyms
shed, discard, slough off, throw off, get rid of, let fall, let drop
1. 1.1 (of hair or feathers) fall out to make way for new growth.
  （毛，羽）脱去；蜕去
  the last of his juvenile plumage had molted
  他最后的雏鸟羽毛已蜕去了。
  Example sentencesExamples
  How often I see feathers molting to the ground-what's left of something in which nothing's to be found.

nounmoʊltmōlt

A loss of plumage, skin, or hair, especially as a regular feature of an animal's life cycle.
脱毛；蜕皮；换羽
Example sentencesExamples
- Second, adults and juveniles of species that mainly breed in high elevation western coniferous forests are not expected to move to the Mexican monsoon region for their fall molts.
- At concentrations of 5 ppb and above, however, the number of molts increased with an average of one third of the animals undergoing molts.
- Maturation involves 7-8 molts, and molting continues into adulthood.
- One month later, lobstermen in Western Long Island Sound began to report sightings of gravid female lobsters dying in the throes of abortive molts.
- Birds eating balanced diets should have no trouble satisfying their nutritional needs during a molt.
- While all feathers wear, they are replaced regularly by the molt processes.
- Another subunit appears about the time of metamorphosis to first juvenile instar, and expression of a sixth subunit begins four or five molts later.
- During the final molt, from pupa to adult, the epidermal cells secrete special enzymes that rigidify the horns as well as hardening all the other adult structures.
- The larval stage consists of four phases, or instars, with a complete molt between each instar.
- The specimen also appears to be a whole animal rather than a molt: several appendages are preserved and in the first four and the last two abdominal segments a cylindrical structure is interpreted as the alimentary canal.
- Post-embryonic development takes place during a series of four molts.
- They noted that the cephalopod eagerly attacked the molt and invariably did so by working from the posterior of the lobster abdomen toward the anterior.
- Carapace width does not vary within a molt and is proportional to the length of the males' raptorial forelimbs, which they use in attacking other males.
- They molt twice a year, the first molt, after breeding, gives the males their eclipse plumage.
- It is not long after this molting is complete that they start a second molt to acquire their alternate plumage.
- As suggested by Plotnick, this determination is not easily made on the basis of the fossils alone as all portions of the preservable integument may potentially be sufficiently well represented in molts.
- The first smaller pulse induces switchover from larval to pupal commitment, and the second much larger pulse induces the pupal molt.
- The molt is restricted to replacing feathers on the head and body.
- Occasionally, females disperse at their penultimate instar and undergo their final molt in their new webs (personal observation).
- During each molt the animal calcifies a new carapace of about twice the volume of the previous one.

Origin

Middle English moute, from an Old English verb based on Latin mutare ‘to change’. For the intrusive -l-, compare with words such as fault.

词汇	moult
释义	Definition of moult in English: moult (US molt) verb məʊltmoʊlt [no object] 1(of an animal) shed old feathers, hair, or skin to make way for a new growth. （动物）脱毛；蜕皮；脱壳；换羽 the adult birds were already moulting with object the snake moults its skin 蛇蜕皮。 Example sentencesExamples In the fall they stop over at molt sites en route to their wintering areas, where they molt and grow new feathers before they move on. The larva molts again at 72 hours to become a third-stage larva. Unlike most birds with different breeding and non-breeding plumages, buntings molt only once a year. Length of the white spots, present on the tips of feathers when freshly molted, were not included in total length as in all birds these spots had worn off. Since adult birds molt on the breeding grounds before migrating south, juveniles should be easily distinguished from adults when they first arrive in Washington in the fall. That suggests that our captive SY birds molted their juvenal flight feathers on a schedule similar to that of Tufted Puffins in the wild. The scales are shed individually, so crocodilians do not molt (shed their skin all at once) like snakes do. In general, healed injuries are considered to have resulted from trauma during molting or wounds by predatory attack. Each year chickens molt, often looking quite ugly, but are rewarded with new and sturdy feathers. Because of their hard exoskeleton, to increase in size they must molt or shed their exoskeleton and produce a new one. This biasing factor is unique to organisms that molt or shed their skin during growth. These birds molt twice a year changing between alternate and basic (winter or non-breeding) plumage. When the lobster grows, it undergoes a process called molting, when the animal sheds its old exoskeleton and grows a new, larger one. Also, hermit crabs commonly kept as pets molt and shed their exoskeleton. Once a year, though, when the birds molt, the tiny arthropods face life-or-death options. With few exceptions, only adult birds were observed to molt their flight feathers in a symmetrical pattern. Once animals have emerged as adults, they do not molt again, and their size and external morphology are fixed. As the larva feeds and grows, it molts, shedding its cuticle. In modern lobsters, the carapace material is partially resorbed prior to molting, making the carapace thin and weak. The fall migration is preceded by a molt migration where birds molt in large groups at northern coastal sites before heading south in fresh plumage. Synonyms shed, discard, slough off, throw off, get rid of, let fall, let drop 1.1 (of hair or feathers) fall out to make way for new growth. （毛，羽）脱去；蜕去 the last of his juvenile plumage had moulted 他最后的雏鸟羽毛已蜕去了。 Example sentencesExamples How often I see feathers molting to the ground-what's left of something in which nothing's to be found. noun məʊltmoʊlt A loss of feathers, hair, or skin, especially as a regular feature of an animal's life cycle. 脱毛；蜕皮；换羽 the mountain goat is brilliant white after the autumn moult in the complete life cycle there are four moults Example sentencesExamples They noted that the cephalopod eagerly attacked the molt and invariably did so by working from the posterior of the lobster abdomen toward the anterior. The larval stage consists of four phases, or instars, with a complete molt between each instar. Second, adults and juveniles of species that mainly breed in high elevation western coniferous forests are not expected to move to the Mexican monsoon region for their fall molts. Another subunit appears about the time of metamorphosis to first juvenile instar, and expression of a sixth subunit begins four or five molts later. During the final molt, from pupa to adult, the epidermal cells secrete special enzymes that rigidify the horns as well as hardening all the other adult structures. One month later, lobstermen in Western Long Island Sound began to report sightings of gravid female lobsters dying in the throes of abortive molts. Maturation involves 7-8 molts, and molting continues into adulthood. Post-embryonic development takes place during a series of four molts. They molt twice a year, the first molt, after breeding, gives the males their eclipse plumage. It is not long after this molting is complete that they start a second molt to acquire their alternate plumage. Birds eating balanced diets should have no trouble satisfying their nutritional needs during a molt. While all feathers wear, they are replaced regularly by the molt processes. At concentrations of 5 ppb and above, however, the number of molts increased with an average of one third of the animals undergoing molts. The molt is restricted to replacing feathers on the head and body. As suggested by Plotnick, this determination is not easily made on the basis of the fossils alone as all portions of the preservable integument may potentially be sufficiently well represented in molts. During each molt the animal calcifies a new carapace of about twice the volume of the previous one. Occasionally, females disperse at their penultimate instar and undergo their final molt in their new webs (personal observation). Carapace width does not vary within a molt and is proportional to the length of the males' raptorial forelimbs, which they use in attacking other males. The first smaller pulse induces switchover from larval to pupal commitment, and the second much larger pulse induces the pupal molt. The specimen also appears to be a whole animal rather than a molt: several appendages are preserved and in the first four and the last two abdominal segments a cylindrical structure is interpreted as the alimentary canal. Origin Middle English moute, from an Old English verb based on Latin mutare 'to change'. For the intrusive -l-, compare with words such as fault. commute from Late Middle English: In early use commute meant ‘to interchange two things’. Its source is Latin commutare, from com- ‘together’ and mutare ‘to change’, the root of English words such as moult (Late Middle English), mutant (early 19th century), and permutation (Late Middle English). The modern meaning, ‘to travel between home and your place of work’, comes from commutation ticket. This was the American term for a season ticket, where a number of daily fares were ‘commuted’ to, or changed into, a single payment. The Americans have been commuting since the 1860s, but the term did not make its way over to Britain until the 1930s. Definition of molt in US English: molt (British moult) verbmoʊltmōlt [no object] 1(of an animal) shed old feathers, hair, or skin, or an old shell, to make way for a new growth. （动物）脱毛；蜕皮；脱壳；换羽 with object the snake molts its skin 蛇蜕皮。 the adult birds were already molting into their winter shades of gray 成年鸟已开始换上冬天灰色的羽毛。 Example sentencesExamples Once animals have emerged as adults, they do not molt again, and their size and external morphology are fixed. The scales are shed individually, so crocodilians do not molt (shed their skin all at once) like snakes do. When the lobster grows, it undergoes a process called molting, when the animal sheds its old exoskeleton and grows a new, larger one. Also, hermit crabs commonly kept as pets molt and shed their exoskeleton. The larva molts again at 72 hours to become a third-stage larva. With few exceptions, only adult birds were observed to molt their flight feathers in a symmetrical pattern. Because of their hard exoskeleton, to increase in size they must molt or shed their exoskeleton and produce a new one. As the larva feeds and grows, it molts, shedding its cuticle. In the fall they stop over at molt sites en route to their wintering areas, where they molt and grow new feathers before they move on. These birds molt twice a year changing between alternate and basic (winter or non-breeding) plumage. Length of the white spots, present on the tips of feathers when freshly molted, were not included in total length as in all birds these spots had worn off. That suggests that our captive SY birds molted their juvenal flight feathers on a schedule similar to that of Tufted Puffins in the wild. In general, healed injuries are considered to have resulted from trauma during molting or wounds by predatory attack. In modern lobsters, the carapace material is partially resorbed prior to molting, making the carapace thin and weak. This biasing factor is unique to organisms that molt or shed their skin during growth. Unlike most birds with different breeding and non-breeding plumages, buntings molt only once a year. Once a year, though, when the birds molt, the tiny arthropods face life-or-death options. Since adult birds molt on the breeding grounds before migrating south, juveniles should be easily distinguished from adults when they first arrive in Washington in the fall. The fall migration is preceded by a molt migration where birds molt in large groups at northern coastal sites before heading south in fresh plumage. Each year chickens molt, often looking quite ugly, but are rewarded with new and sturdy feathers. Synonyms shed, discard, slough off, throw off, get rid of, let fall, let drop 1.1 (of hair or feathers) fall out to make way for new growth. （毛，羽）脱去；蜕去 the last of his juvenile plumage had molted 他最后的雏鸟羽毛已蜕去了。 Example sentencesExamples How often I see feathers molting to the ground-what's left of something in which nothing's to be found. nounmoʊltmōlt A loss of plumage, skin, or hair, especially as a regular feature of an animal's life cycle. 脱毛；蜕皮；换羽 Example sentencesExamples Second, adults and juveniles of species that mainly breed in high elevation western coniferous forests are not expected to move to the Mexican monsoon region for their fall molts. At concentrations of 5 ppb and above, however, the number of molts increased with an average of one third of the animals undergoing molts. Maturation involves 7-8 molts, and molting continues into adulthood. One month later, lobstermen in Western Long Island Sound began to report sightings of gravid female lobsters dying in the throes of abortive molts. Birds eating balanced diets should have no trouble satisfying their nutritional needs during a molt. While all feathers wear, they are replaced regularly by the molt processes. Another subunit appears about the time of metamorphosis to first juvenile instar, and expression of a sixth subunit begins four or five molts later. During the final molt, from pupa to adult, the epidermal cells secrete special enzymes that rigidify the horns as well as hardening all the other adult structures. The larval stage consists of four phases, or instars, with a complete molt between each instar. The specimen also appears to be a whole animal rather than a molt: several appendages are preserved and in the first four and the last two abdominal segments a cylindrical structure is interpreted as the alimentary canal. Post-embryonic development takes place during a series of four molts. They noted that the cephalopod eagerly attacked the molt and invariably did so by working from the posterior of the lobster abdomen toward the anterior. Carapace width does not vary within a molt and is proportional to the length of the males' raptorial forelimbs, which they use in attacking other males. They molt twice a year, the first molt, after breeding, gives the males their eclipse plumage. It is not long after this molting is complete that they start a second molt to acquire their alternate plumage. As suggested by Plotnick, this determination is not easily made on the basis of the fossils alone as all portions of the preservable integument may potentially be sufficiently well represented in molts. The first smaller pulse induces switchover from larval to pupal commitment, and the second much larger pulse induces the pupal molt. The molt is restricted to replacing feathers on the head and body. Occasionally, females disperse at their penultimate instar and undergo their final molt in their new webs (personal observation). During each molt the animal calcifies a new carapace of about twice the volume of the previous one. Origin Middle English moute, from an Old English verb based on Latin mutare ‘to change’. For the intrusive -l-, compare with words such as fault.
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