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单词 naphtha
释义

WordReference Random House Learner's Dictionary of American English © 2024
naph•tha /ˈnæfθə, ˈnæp-/USA pronunciation   n. [uncountable]
  1. Chemistrya colorless, flammable liquid used to dissolve other substances and as a fuel.

WordReference Random House Unabridged Dictionary of American English © 2024
naph•tha  (naf′thə, nap′-),USA pronunciation n. 
  1. Chemistrya colorless, volatile petroleum distillate, usually an intermediate product between gasoline and benzine, used as a solvent, fuel, etc. Cf. mineral spirits. 
  2. Chemistryany of various similar liquids distilled from other products.
  3. Chemistrypetroleum.
  • Iranian *nafta, derivative of *nab- to be damp; compare Avestan napta- damp, Persian naft naphtha
  • Greek náphthas, perh.
  • Latin
  • 1565–75
naph′thous, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
naphtha /ˈnæfθə ˈnæp-/ n
  1. a distillation product from coal tar boiling in the approximate range 80–170°C and containing aromatic hydrocarbons
Etymology: 16th Century: via Latin from Greek, of Iranian origin; related to Persian neft naphtha
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更新时间：2025/2/23 1:06:08