Main Entry:

ste·roid

Pronunciation:

\ˈstir-ˌȯid also ˈster-\

Function:

noun

Etymology:

International Scientific Vocabulary sterol + -oid

Date:

1926

: any of various compounds containing a 17-carbon 4-ring system and including the sterols and numerous hormones (as anabolic steroids or corticosteroids) and glycosides

— steroid or ste·roi·dal \stə-ˈrȯi-d^əl\ adjective