OLIGO- (OLIG-) By N., Sam M.S. - 0 combining form of: not many, or deficient. OLIGO- (OLIG-): "When a market industry is succumed by a minimal amount of sellers, it is referred to as oligopoly." Related Psychology Terms APRAXIA (literally, “inability to act or do”) PMDD: Can It Be Cured? CHILD PSYCHIATRY CLINICAL PSYCHOLOGY FROMM, ERICH (1900—) ANTISOCIAL REACTION DREAM-STATE (D-STATE, REM- STATE) COLOR BLINDNESS OBSESSRVE-COMPULSIVE REACTION MUD 1 Cite this page: N., Sam M.S., "OLIGO- (OLIG-)," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/oligo-olig/ (accessed November 28, 2021).