Definitions

from the GNU version of the Collaborative International Dictionary of English.

  • (Chem.) Applied to certain compounds having the same composition but different properties; as in isocyanic.
  • (Organic Chem.) 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 Wiktionary, Creative Commons Attribution/Share-Alike License.

  • prefix equal
  • prefix chemistry forms terms relating to isomers
  • prefix physics forms terms relating to isotopes

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek ἴσος (isos, "equal")

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