from Wiktionary, Creative Commons Attribution/Share-Alike License
- forms terms relating to isomers
- forms terms relating to isotopes
from the GNU version of the Collaborative International Dictionary of English
- Applied to certain compounds having the same composition but different properties; as in isocyanic.
- Applied to compounds of certain isomeric series in whose structure one carbon atom, at least, is connected with three other carbon atoms; -- contrasted with neo- and normal; as in isoparaffine; isopentane.
From Ancient Greek ἴσος (isos, "equal") (Wiktionary)