allotrope


allotrope
/al"euh trohp'/, n. Chem.
one of two or more existing forms of an element: Graphite and diamond are allotropes of carbon.
[1885-90; ALLO- + -TROPE]

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Any of two or more forms of the same chemical element.

They may have different arrangements of atoms in crystals of the solid
for example, graphite and diamond for carbon
or different numbers of atoms in their molecules
for example, ordinary oxygen (O2) and ozone (O3). Other elements that have allotropes include tin, sulfur, antimony, arsenic, selenium, and phosphorus.

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Universalium. 2010.

Look at other dictionaries:

  • allotrope — (n.) 1847, back formation from allotropy variation of physical properties without change of substance, from ALLO (Cf. allo ) + tropos manner (see TROPE (Cf. trope)). Related: Allotropic …   Etymology dictionary

  • allotrope — ► NOUN Chemistry ▪ each of two or more different physical forms in which an element can exist (e.g. graphite, charcoal, and diamond as forms of carbon). DERIVATIVES allotropic adjective allotropy noun. ORIGIN from Greek allotropos of another form …   English terms dictionary

  • allotrope — [al′ō trōp΄, al′ətrōp΄] n. an allotropic form …   English World dictionary

  • Allotrope — Allotropie L’allotropie[1] (du grec allos autre et tropos manière) est, en chimie, en minéralogie et en science des matériaux, la faculté de certains corps simples d’exister sous plusieurs formes cristallines ou moléculaires différentes. C’est l… …   Wikipédia en Français

  • allotrope — noun Etymology: International Scientific Vocabulary, back formation from allotropy Date: 1876 a form showing allotropy …   New Collegiate Dictionary

  • allotrope — noun Any form of an element that has a distinctly different molecular structure to another form of the same element. See Also: allotropy, allotropic …   Wiktionary

  • allotrope — An element in one of the allotropic forms that it may assume. [allo + G. tropos, a turning] * * * al·lo·trope al ə .trōp n a form showing allotropy * * * al·lo·trope (alґo trōp) an allotropic form …   Medical dictionary

  • allotrope — n. one of two or more forms of an element (Chemistry) …   English contemporary dictionary

  • allotrope — [ alətrəʊp] noun Chemistry each of two or more different physical forms in which an element can exist (e.g. graphite, charcoal, and diamond as forms of carbon). Derivatives allotropic adjective allotropy ə lɒtrəpi noun Origin C19: from Gk… …   English new terms dictionary

  • allotrope — al·lo·trope …   English syllables


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