allotropic

[ al-uh-trop-ik, -troh-pik ]

/ ˌæl əˈtrɒp ɪk, -ˈtroʊ pɪk /

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adjective

pertaining to or characterized by allotropy.

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Also al·lo·trop·i·cal

[al-uh-trop-i-kuhl, -troh-pi-kuhl] /ˌæl əˈtrɒp ɪ kəl, -ˈtroʊ pɪ kəl/ .

Origin of allotropic

First recorded in 1875–80; allotrop(y) + -ic

al·lo·trop·i·cal·ly, adverbal·lo·tro·pic·i·ty

[al-uh-truh-pis-i-tee], /ˌæl ə trəˈpɪs ɪ ti/, noun

This element exists in several allotropic forms, which have very different electric properties.
On Laboratory Arts|Richard Threlfall
Another element occurring in allotropic forms is sulphur, of which many forms have been described.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1|Various
Just let me tell you, to use a very hard word, that we call the diamond an "allotropic" form of carbon.
The Story of a Tinder-box|Charles Meymott Tidy
Allotropic means an element with another form to it—the diamond is simply an allotropic form of carbon.
The Story of a Tinder-box|Charles Meymott Tidy

We have, in fact, but the one resource—the allotropic modification of the haloid—whereby to explain all these orders of stability.
The Birth-Time of the World and Other Scientific Essays|J. (John) Joly

allotropic

[ ăl′ə-trŏp′ĭk ]

adj.

Relating to allotropism.

Characterizing one who is preoccupied with the reactions of others.