Adamant

ad'a-mmit, n. a very hard stone, the diamond- IL. and Gr adatruu -antos — a, neg and damad, to break, to tame. See Tame.] Adamantine, ad-a-man'tin, adj made of or like adamant that cannot be broken or penetrated. Adapt, ad-apt', v t to make apt nr accommodate. (Fr., L. adaptors— ad, to, and apt a, to