n.
Pronunciation: ˌ an-dr ə - ˌ st ē n- ' d ī - ō n, - ' st ē n-d ē - ˌ ō n
Function: noun
Etymology: International Scientific Vocabulary androst erone + -ene + di- + -one
Date: 1935
: a steroid sex hormone C 19 H 26 O 2 that is secreted by the testes, ovaries, and adrenal cortex and is an intermediate in the biosynthesis of testosterone and estrogen