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.
Formaldehyde also affects nucleic acids by forming adducts with exocyclic nitrogen atoms in nucleotides