The Collaborative International Dictionary
Allotropically
Allotropic \Al`lo*trop"ic\ ([a^]l`l[-o]*tr[o^]p"[i^]k), Allotropical \Al`lo*trop"ic*al\ (-[i^]k*al), a. [Cf. F. allotropique.] Of or pertaining to allotropism. -- Al`lo*trop"ic*al*ly, adv.
Allotropic state, the several conditions which occur in a case of allotropism.
Wiktionary
allotropically
adv. With regard to allotropy