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Synonyms

allotrope

American  
[al-uh-trohp] / ˈæl əˌtroʊp /

noun

Chemistry.
  1. one of two or more existing forms of an element.

    Graphite and diamond are allotropes of carbon.


allotrope British  
/ ˈæləˌtrəʊp /

noun

  1. any of two or more physical forms in which an element can exist

    diamond and graphite are allotropes of carbon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

allotrope Scientific  
/ ăl′ə-trōp′ /
  1. Any of several crystalline forms of a chemical element. Charcoal, graphite, and diamond are all allotropes of carbon.


Etymology

Origin of allotrope

First recorded in 1885–90; allo- + -trope

Vocabulary lists containing allotrope

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

White phosphorus is the most reactive allotrope and is very toxic.

From Textbooks ● Feb. 14, 2019

The most common and most stable allotrope of sulfur is yellow, rhombic sulfur, so named because of the shape of its crystals.

From Textbooks ● Feb. 14, 2019

Why is there no allotrope of silicon with a graphite structure?

From Textbooks ● Feb. 14, 2019

Black-lead—or, as we term it, graphite—of which I have several specimens here—is simply carbon—an allotrope of carbon—the same elementary substance, notwithstanding, as the diamond.

From The Story of a Tinder-box by Charles Meymott Tidy

Take all this stuff, for instance; especially their ability to transform iron into a fluid allotrope, and in that form to use its intra-atomic energy as power.

From Triplanetary by E. E. (Edward Elmer) Smith

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