/ Dictionary / Index O oliguria: Meaning and Definition of Find definitions for: ol•i•gu•ri•a Pronunciation: (ol"i-gyoor'ē-u), [key] — n. Pathol. scantiness of urine due to diminished secretion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oliguria (Thesaurus) oligotrophy Olin 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