allotropy

noun
al·lot·ro·py | \ ə-ˈlä-trə-pē \
plural allotropies

Definition of allotropy 

: the existence of a substance and especially an element in two or more different forms (as of crystals) usually in the same phase

Other words from allotropy

allotropic \ˌa-lə-ˈträ-pik \ adjective

First Known Use of allotropy

circa 1842, in the meaning defined above

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The first known use of allotropy was circa 1842

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allotropy

noun
al·lot·ro·py | \ ə-ˈlä-trə-pē \
plural allotropies

Medical Definition of allotropy 

: the existence of a substance and especially an element in two or more different forms (as of crystals) usually in the same phase

Other words from allotropy

allotropic \ˌal-ə-ˈträp-ik \ adjective
allotropically \-i-k(ə-)lē \ adverb

More from Merriam-Webster on allotropy

Britannica.com: Encyclopedia article about allotropy

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