naphtha

[ naf-thuh, nap- ]
/ ˈnæf θə, ˈnæp- /

noun

a colorless, volatile petroleum distillate, usually an intermediate product between gasoline and benzine, used as a solvent, fuel, etc.Compare mineral spirits.
any of various similar liquids distilled from other products.

RELATED WORDS

Origin of naphtha

1565–75; < Latin < Greek náphthas, perhaps < Iranian *nafta, derivative of *nab- to be damp; compare Avestan napta- damp, Persian naft naphtha
Related formsnaph·thous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for naphtha

British Dictionary definitions for naphtha

naphtha

/ (ˈnæfθə, ˈnæp-) /

noun

a distillation product from coal tar boiling in the approximate range 80–170°C and containing aromatic hydrocarbons
a distillation product from petroleum boiling in the approximate range 100–200°C and containing aliphatic hydrocarbons: used as a solvent and in petrol
an obsolete name for petroleum

Word Origin for naphtha

C16: via Latin from Greek, of Iranian origin; related to Persian neft naphtha
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for naphtha

naphtha


n.

inflammable liquid distilled from petroleum, 1570s, from Latin, from Greek naphtha "bitumen," perhaps from Persian neft "pitch," or Aramaic 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.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for naphtha

naphtha

[ năfthə, năp- ]

n.

Any of several highly volatile, flammable liquid mixtures of hydrocarbons distilled from petroleum, coal tar, or natural gas and used as solvents and in making various chemicals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for naphtha

naphtha

[ năfthə ]

Any of several liquid mixtures of hydrocarbons made by refining petroleum or by breaking down coal tar. Naphtha is usually flammable, and is used as a solvent and as an ingredient in gasoline. It is also used to make plastics.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.