NAPHTHA

naphtha

(noun) any of various volatile flammable liquid hydrocarbon mixtures; used chiefly as solvents

Source: WordNet® 3.1


Etymology

Noun

naphtha (countable and uncountable, plural naphthas)

(dated) Naturally occurring liquid petroleum.

Any of a wide variety of aliphatic or aromatic liquid hydrocarbon mixtures distilled from petroleum or coal tar, especially as used in solvents or petrol.

Source: Wiktionary


Naph"tha, n. Etym: [L. naphtha, Gr. nafth, nifth.]

1. (Chem.)

Definition: The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called crude petroleum, mineral oil, or rock oil. Specifically: That portion of the distillate obtained in the refinement of petroleum which is intermediate between the lighter gasoline and the heavier benzine, and has a specific gravity of about 0.7, -- used as a solvent for varnishes, as a carburetant, illuminant, etc.

2. (Chem.)

Definition: One of several volatile inflammable liquids obtained by the distillation of certain carbonaceous materials and resembling the naphtha from petroleum; as, Boghead naphtha, from Boghead coal (obtained at Boghead, Scotland); crude naphtha, or light oil, from coal tar; wood naphtha, from wood, etc.

Note: This term was applied by the earlier chemical writers to a number of volatile, strong smelling, inflammable liquids, chiefly belonging to the ethers, as the sulphate, nitrate, or acetate of ethyl. Watts. Naphtha vitrioli Etym: [NL., naphtha of vitriol] (Old Chem.), common ethyl ether; -- formerly called sulphuric ether. See Ether.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

29 March 2025

THOUGHTLESS

(adjective) without care or thought for others; “the thoughtless saying of a great princess on being informed that the people had no bread; ‘Let them eat cake’”


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