/ Dictionary / Index O oligotrophy: Meaning and Definition of Find definitions for: ol•i•got•ro•phy Pronunciation: (ol"i-go'tru-fē), [key] — n. Ecol. the state of being oligotrophic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oligotrophic oliguria Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language