/ Dictionary / Index S succinylcholine chloride: Meaning and Definition of Find definitions for: suc'ci•nyl•cho•line chlo'ride Pronunciation: (suk'su-nil-kō'lēn, -kol'ēn, -su-nl-), [key] — Pharm. Pharm. a crystalline compound, CHClNO, used as a skeletal muscle relaxant in surgical procedures. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. succinic acid succor Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language