monorchidism

[muh-nawr-ki-diz-uh m]
Also mo·nor·chism [muh-nawr-kiz-uh m] /məˈnɔr kɪz əm/.

Origin of monorchidism

First recorded in 1860–65; monorchid + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018