/ Dictionary / Index N neurochemistry: Meaning and Definition of Find definitions for: neu•ro•chem•is•try Pronunciation: (noor"ō-kem'u-strē, nyoor"-), [key] — n. the branch of science that is concerned with the chemistry of the nervous system. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. neurochemical neurocirculatory asthenia Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language