n.
Pronunciation: ' per- ə - ˌ dät, - ˌ d ō (t)
Function: noun
Etymology: French péridot, from Old French peritot
Date: circa 1706
: a deep yellowish-green transparent variety of olivine used as a gem
– per · i · do · tic \ ˌ per- ə - ' dä-tik, - ' d ō - \ adjective