allotropic

adjective

al·​lo·​trop·​ic ¦a-lə-¦trä-pik How to pronounce allotropic (audio)
1
: of, relating to, or exhibiting allotropy
allotropic chemical changes
sulfur is known in a number of allotropic forms
2
: showing a variation of form : existent in a different form
dialects with allotropic developments

Word History

Etymology

International Scientific Vocabulary allotropy + -ic

First Known Use

1843, in the meaning defined at sense 1

Time Traveler
The first known use of allotropic was in 1843

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Cite this Entry

“Allotropic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allotropic. Accessed 18 Dec. 2025.

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