a white crystalline alicyclic hydrocarbon, C 10 H 16 , consisting of four fused cyclohexane rings, with the carbon atoms arranged as in the diamond lattice.
- Adamantine membrane
adamantine membrane adamantine membrane ad·a·man·tine membrane (ād’ə-mān’tēn’, -tīn’, -tĭn) n. See dental cuticle.
adamantinoma adamantinoma ad·a·man·ti·no·ma (ād’ə-mān’tə-nō’mə) n. pl. ad·a·man·ti·no·mas or ad·a·man·ti·no·ma·ta (-mə-tə) See ameloblastoma.
utterly unyielding in attitude or opinion in spite of all appeals, urgings, etc. too hard to cut, break, or pierce. any impenetrably or unyieldingly hard substance. a legendary stone of impenetrable hardness, formerly sometimes identified with the diamond. Contemporary Examples Though the Obama administration has dethroned them, noecons continue to argue their views as adamantly […]
. Historical Examples This is expressly said by Hesychius, and many epithets derived from adamas are applied to articles made of steel or of iron. A History of Inventions, Discoveries, and Origins, Volume II (of 2) Johann Beckman The Greeks name it adamas,—which signifieth, the invincible. Sulamith: A Romance of Antiquity Alexandre Kuprin This was […]