/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.

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Look at other dictionaries:

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