单词 | cetyl |
释义 | > as lemmascetyl cetyl n. Brit. /ˈsiːtɪl/ , U.S. /ˈsid(ə)l/ the hydrocarbon radical (C16H33), assumed to exist in cetic acid, and the other members of the cetyl, or cetylic series: among these are cetyl alcohol, a white crystalline substance (C16H33·OH), also called cetylic alcohol, ethal n.; cetyl hydride = cetane; cetyl-salt any salt of cetyl, as cetyl-acetate, cetyl-palmitate.ΚΠ 1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) vii. 229 Spermaceti is a compound of cetylic acid with the oxide of cetyle. 1868 J. F. Royle & F. W. Headland Man. Materia Med. (ed. 5) 750 Ethal is also called Cetylic Alcohol, for it seems to be the hydrated oxide of a radical called cetyle. 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 632 Cetyl alcohol, or ethal, is a white crystalline mass, which melts at about 50°. < as lemmas |
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