Definition of allotrope in English:

allotrope

noun ˈalətrəʊpˈæləˌtroʊp

Chemistry

Each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon.
〔化〕同素异形体
Example sentencesExamples
- Each of these allotropes of phosphorous also has its own subset of forms.
- Arsenic has two allotropes, yellow arsenic and metallic arsenic, which is brittle.
- Incredibly lightweight carbon nanofoams, essentially a fifth major allotrope of carbon, were discovered several years ago.
- Two allotropes of the element exist, accounting for the slight variation in densities.
- A third allotrope occurs as an amorphous brown powder with a density of 2.350 grams per cubic centimeter.

Origin

Late 19th century: back-formation from allotropy.

Definition of allotrope in US English:

allotrope

nounˈaləˌtrōpˈæləˌtroʊp

Chemistry

Each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon.
〔化〕同素异形体
Example sentencesExamples
- Two allotropes of the element exist, accounting for the slight variation in densities.
- Each of these allotropes of phosphorous also has its own subset of forms.
- A third allotrope occurs as an amorphous brown powder with a density of 2.350 grams per cubic centimeter.
- Arsenic has two allotropes, yellow arsenic and metallic arsenic, which is brittle.
- Incredibly lightweight carbon nanofoams, essentially a fifth major allotrope of carbon, were discovered several years ago.

Origin

Late 19th century: back-formation from allotropy.

词汇	allotrope
释义	Definition of allotrope in English: allotrope noun ˈalətrəʊpˈæləˌtroʊp Chemistry Each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon. 〔化〕同素异形体 Example sentencesExamples Each of these allotropes of phosphorous also has its own subset of forms. Arsenic has two allotropes, yellow arsenic and metallic arsenic, which is brittle. Incredibly lightweight carbon nanofoams, essentially a fifth major allotrope of carbon, were discovered several years ago. Two allotropes of the element exist, accounting for the slight variation in densities. A third allotrope occurs as an amorphous brown powder with a density of 2.350 grams per cubic centimeter. Origin Late 19th century: back-formation from allotropy. Definition of allotrope in US English: allotrope nounˈaləˌtrōpˈæləˌtroʊp Chemistry Each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon. 〔化〕同素异形体 Example sentencesExamples Two allotropes of the element exist, accounting for the slight variation in densities. Each of these allotropes of phosphorous also has its own subset of forms. A third allotrope occurs as an amorphous brown powder with a density of 2.350 grams per cubic centimeter. Arsenic has two allotropes, yellow arsenic and metallic arsenic, which is brittle. Incredibly lightweight carbon nanofoams, essentially a fifth major allotrope of carbon, were discovered several years ago. Origin Late 19th century: back-formation from allotropy.
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