/ Dictionary / Index C cyclotrimethylenetrinitramine: Meaning and Definition of Find definitions for: cy•clo•tri•meth•yl•ene•tri•ni•tra•mine Pronunciation: (sī"klō-trī-meth'u-lēn"trī-nī"tru-mēn', -nī-tram'in, sik"lō-), [key] — n. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cyclotomy cyclotron Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language