from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A structurally differentiated form of an element that exhibits allotropy.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any form of an element that has a distinctly different molecular structure to another form of the same element.
from The Century Dictionary and Cyclopedia
- n. One of the forms in which an element having the property of allotropy exists: thus, the diamond is an allotrope of carbon.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a structurally different form of an element
Back-formation from allotropy.(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek ἄλλος (allos, "other"), and τρόπος (tropos, "way, manner"). (Wiktionary)