[ muh-nawr-ki-diz-uh m ]
/ məˈnɔr kɪˌdɪz əm /

noun Pathology.

a prenatal or postnatal condition in which one testis is absent or has not descended into the scrotum.
Also mo·nor·chism [muh-nawr-kiz-uh m] /məˈnɔr kɪz əm/.

Origin of monorchidism

First recorded in 1860–65; monorchid + -ism Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for monorchism


[ mŏn-ôrkĭz′əm ]


A condition in which only one testis is apparent, the other being absent or undescended.

Related forms

mon′or•chidic null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.