/ Dictionary / Index A alkene series: Meaning and Definition of Find definitions for: al'kene se"ries Pronunciation: [key] — Chem. Chem. the homologous series of unsaturated, aliphatic hydrocarbons containing one double bond and having the general formula CH, as ethylene, HC=CH. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alkene alkermes Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language