ădămas (noun M) = ἀδάμας: (acc. Gr. adamanta, adamantas), = (invincible)
* Adamant, the hard est iron or steel; hence poet., for any thing inflexible, firm, lasting, etc. (first used by Verg.): porta adversa ingens solidoque adamante columnae,Verg. A. 6, 552; cf. Mart. 5, 11; adamante texto vincire,with adamantine chains,Sen. Herc. F. 807.—Trop. of character, hard, unyielding, inexorable: nec rigidos silices solidumve in pectore ferrum aut adamanta gerit,a heart of stone,Ov. M. 9, 615: lacrimis adamanta movebis,will move a heart of stone,id. A. A. 1, 659; so id. Tr. 4, 8, 45: voce tua posses adamanta movere,Mart. 7, 99: duro nec enim ex adamante creati, Sed tua turba sumus,Stat. S. 1, 2, 69.
* The diamond: adamanta infragilem omni cetera vi sanguine hireino rumpente,Plin. 20, prooem. 1. 37, 4, 15, § 55 sq.

s. TLL