释义 |
Definition of petiole in English: petiolenoun ˈpɛtɪəʊlˈpɛdiˌoʊl 1Botany The stalk that joins a leaf to a stem. 〔植〕叶柄,梗 Example sentencesExamples - For experiments, Cuscuta shoots of 30-35 cm length were cut from the stock culture and carefully twisted around the stems or petioles of older source leaves.
- The high pressure flow meter was first used to measure the hydraulic conductance of whole shoots and its components, i.e. stems, petioles, and leaf blades in Quercus, Acer, and Populus species.
- Plants were dissected into leaves, stems with petioles, and inflorescences.
- The experimental plants were partitioned into roots, petioles, leaves and stolons.
- Plastid morphogenesis in stalk cells of the two types of trichome from both the stem and leaf petiole is highly variable, and a variety of different plastid morphologies can be observed in the same stalk cell.
Synonyms stem, shoot, trunk, stock, cane, bine, bent, haulm, straw, reed 2Zoology A slender stalk between two structures, especially that between the abdomen and thorax of a wasp or ant. 〔动〕(尤指黄蜂或蚂蚁腹胸之间的)腹柄,柄 Example sentencesExamples - Combs are attached to a substrate directly or by a petiole, and in larger nests combs can be a unit of construction themselves in forming stacked comb nests.
- Ants have one or two bumps at their thin waists called petioles.
- Paper wasps are longer, thinner, and more smooth and shiny than honey bees and have longer, narrower waists (called petioles) than do bees.
OriginMid 18th century: from French pétiole, from Latin petiolus 'little foot, stalk'. Definition of petiole in US English: petiolenounˈpedēˌōlˈpɛdiˌoʊl Botany 1The stalk that joins a leaf to a stem; leafstalk. 〔植〕叶柄,梗 Example sentencesExamples - For experiments, Cuscuta shoots of 30-35 cm length were cut from the stock culture and carefully twisted around the stems or petioles of older source leaves.
- The high pressure flow meter was first used to measure the hydraulic conductance of whole shoots and its components, i.e. stems, petioles, and leaf blades in Quercus, Acer, and Populus species.
- The experimental plants were partitioned into roots, petioles, leaves and stolons.
- Plastid morphogenesis in stalk cells of the two types of trichome from both the stem and leaf petiole is highly variable, and a variety of different plastid morphologies can be observed in the same stalk cell.
- Plants were dissected into leaves, stems with petioles, and inflorescences.
Synonyms stem, shoot, trunk, stock, cane, bine, bent, haulm, straw, reed - 1.1Zoology A slender stalk between two structures, especially that between the abdomen and thorax of a wasp or ant.
〔动〕(尤指黄蜂或蚂蚁腹胸之间的)腹柄,柄 Example sentencesExamples - Ants have one or two bumps at their thin waists called petioles.
- Paper wasps are longer, thinner, and more smooth and shiny than honey bees and have longer, narrower waists (called petioles) than do bees.
- Combs are attached to a substrate directly or by a petiole, and in larger nests combs can be a unit of construction themselves in forming stacked comb nests.
OriginMid 18th century: from French pétiole, from Latin petiolus ‘little foot, stalk’. |