n.
Pronunciation: ' e-p ə - ˌ d ō t
Function: noun
Etymology: French épidote, from Greek epididonai to give in addition, from epi- + didonai to give ― more at DATE
Date: 1808
: a yellowish-green mineral Ca 2 (Al,Fe) 3 Si 3 O 12 OH usually occurring in grains or columnar masses and sometimes used as a gemstone