— epidotic /ep'i dot"ik/ , adj.
/ep"i doht'/ , n.
a mineral, calcium aluminum iron silicate, Ca 2 (Al, Fe) 3 Si 3 O 12 (OH), occurring in green prismatic crystals.
[ 1800-10; épidote epidotós given besides, increased (verbid of epididónai ), equiv. to epi- EPI- + dotós given (verbid of didónai ) ]