英语词汇naphtha的起源、历史背景-英语词源词典

词汇	naphtha
词源	naphtha n. 1570s, from Latin, from Greek naphtha "bitumen," perhaps from Persian neft "pitch," or Aramaic (Semitic) naphta, nephta, but these could as well be from Greek. In Middle English as napte (late 14c.), from Old French napte, but the modern word is a re-introduction. In ancient writers it refers to a more fluid and volatile variety of natural asphalt or bitumen. In modern use, a colorless inflammable liquid distilled from petroleum. Entries linking to naphtha napalm n. 1942, from naphthenic + palmitic, names of the two acids used in manufacture of the chemical thickening agent. See naphtha. It was used especially in mixture with gasoline to make a kind of inflammabvle jelly used in flame-throwers, incendiary bombs, etc. The verb, "to destroy with napalm," is by 1950, from the noun. Related: Napalmed; napalming. naphthalene n. a benzene hydrocarbon obtained originally from distillation of coal tar, 1821, named by English chemist John Kidd, who first isolated and studied it, from naphtha + chemical suffix -ine (2) + -l- for the sake of euphony. updated on April 10, 2019
随便看	isocracy isodynamic isogenous isogloss isokinetic isolable isolate isolated isolation isolationist isold isomer isomeric isometric isometrics isometry isomorph isomorphic isomorphism isonomia isopod isopolity isosceles isostasy isostatic

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naphtha n.