oligophrenia

[ ol-i-goh-free-nee-uh, uh-lig-uh- ]
/ ˌɒl ɪ goʊˈfri ni ə, əˌlɪg ə- /

noun Pathology.

less than normal mental development.

Origin of oligophrenia

From New Latin, dating back to 1895–1900; see origin at oligo-, phren-, -ia
Related formsol·i·go·phren·ic [ol-i-goh-fren-ik, uh-lig-uh-] /ˌɒl ɪ goʊˈfrɛn ɪk, əˌlɪg ə-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019