a. [ L. adamantinus, Gr. &unr_;. ] 1. Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains. [ 1913 Webster ]
2. (Min.) Like the diamond in hardness or luster. [ 1913 Webster ]
[こんごう, kongou](n) (1) vajra (indestructible substance); diamond; adamantine; (2) thunderbolt; Indra's weapon; Buddhist symbol of the indestructible truth#10710[Add to Longdo]