citronellal: Meaning and Definition of

cit•ron•el•lal

Pronunciation: (si"tru-nel'al, -ul), [key]
— n.
  1. a colorless, slightly water-soluble liquid mixture of isometric aldehydes having the formula CHO, with a strong lemonlike odor, occurring in many essential oils, usually derived from lemon, citronella oil, and other oils: used chiefly as a flavoring agent and in the manufacture of perfume.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.