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from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. External to a chemical ring structure: an exocyclic double bond.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. (of a cyclic compound) not forming part of, or not attached to the ring

from The Century Dictionary and Cyclopedia

  • Pertaining to the Exocyclica; having an eccentric anus, as a clypeastroid or spatangoid seaurchin.


Sorry, no etymologies found.



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