/ Dictionary / Index A alcaligenes: Meaning and Definition of Find definitions for: al•ca•lig•e•nes Pronunciation: (al"ku-lij'u-nēz"), [key] — pl. -nes. any of several rod-shaped aerobic or facultatively anaerobic bacteria of the genus Alcaligenes, found in the intestinal tract of humans and other vertebrates and in dairy products. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alcalde Alcandre Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language