n. [ OE. crisopace, OF. crisoprace, F. chrysoprase, L. chrysoprasus, fr. Gr. &unr_;; chryso`s gold + &unr_; leek. ] (Min.) An apple-green variety of chalcedony, colored by nickel. It has a dull flinty luster, and is sometimes used in jewelry. [ 1913 Webster ]