al·​lo·​trope | \ ˈa-lə-ˌtrōp How to pronounce allotrope (audio) \

Definition of allotrope

: a form showing allotropy

Examples of allotrope in a Sentence

Recent Examples on the Web Therrien is bullish about the long-term potential of geometrical frustration to synthesize novel allotropes of carbon and other elements. W. Wayt Gibbs, Science | AAAS, "The next graphene? Shiny and magnetic, a new form of pure carbon dazzles with potential," 12 Nov. 2019 Altogether, then, this allotrope of carbon looks likely to have a profitable future. The Economist, "Nanotube forests that are darker than night," 5 Oct. 2019 More Biology and Tech The e-tattoo is built from the thermoplastic polyvinylidene fluoride and graphene, which is an allotrope of carbon that's 100 times stronger than steel. Daisy Hernandez, Popular Mechanics, "A Soft Skin 'E-Tattoo' Might Just Save Your Life," 26 June 2019 In the next step, the carbon ashes are converted into graphite, a stable allotrope of carbon in which the atoms are packed into tight, flat sheets. Glenn Mcdonald, National Geographic, "From diamonds to rockets, mourning the dead has gotten high-tech," 17 June 2019 What makes us human is doubt, fear, and shame, all the allotropes of unworthiness. Tad Friend, The New Yorker, "How Frightened Should We Be of A.I.?," 7 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'allotrope.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of allotrope

1833, in the meaning defined above

History and Etymology for allotrope

allo- + -trope, after allotropy

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Time Traveler for allotrope

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The first known use of allotrope was in 1833

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Cite this Entry

“Allotrope.” Dictionary, Merriam-Webster, Accessed 16 May. 2021.

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More Definitions for allotrope


al·​lo·​trope | \ ˈal-ə-ˌtrōp How to pronounce allotrope (audio) \

Medical Definition of allotrope

: a form showing allotropy

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