Definition of aphtha

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Aphtha (n.) One of the whitish specks called aphthae.

Lern More About Aphtha

Naphthalin :: Naphthalin (n.) Alt. of Naphthalin.
Benzene :: Benzene (n.) A volatile, very inflammable liquid, C6H6, contained in the naphtha produced by the destructive distillation of coal, from which it is separated by fractional distillation. The name is sometimes applied also to the impure commercial product or benzole, and also, but rarely, to a similar mixed product of petroleum..
Bitumen :: Bitumen (n.) By extension, any one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petroleums, and even the light, volatile naphthas..
Naphthalic :: Naphthalic (a.) Formerly, designating an acid probably identical with phthalic acid..
Naphthoquinone :: Naphthoquinone (n.) A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid..
Naphthaline :: Naphthaline (n.) See Naphthalene.
Naphtha :: Naphtha (n.) 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..
Aphthoid :: Aphthoid (a.) Of the nature of aphthae; resembling thrush.
Iridoline :: Iridoline (n.) A nitrogenous base C10H9N, extracted from coal-tar naphtha, as an oily liquid. It is a member of the quinoline series, and is probably identical with lepidine..
Naphthalenic :: Naphthalenic (a.) Pertaining to , or derived from, naphthalene; -- used specifically to designate a yellow crystalline substance, called naphthalenic acid and also hydroxy quinone, and obtained from certain derivatives of naphthol..
Paranaphthalene :: Paranaphthalene (n.) Anthracene; -- called also paranaphthaline.
Chrysene :: Chrysene (n.) One of the higher aromatic hydrocarbons of coal tar, allied to naphthalene and anthracene. It is a white crystalline substance, C18H12, of strong blue fluorescence, but generally colored yellow by impurities..
Naphthide :: Naphthide (n.) A compound of naphthalene or its radical with a metallic element; as, mercuric naphthide..
Anthracene :: Anthracene (n.) A solid hydrocarbon, C6H4.C2H2.C6H4, which accompanies naphthalene in the last stages of the distillation of coal tar. Its chief use is in the artificial production of alizarin..
Collidine :: Collidine (n.) One of a class of organic bases, C8H11N, usually pungent oily liquids, belonging to the pyridine series, and obtained from bone oil, coal tar, naphtha, and certain alkaloids..
Naphthalene :: Naphthalene (n.) A white crystalline aromatic hydrocarbon, C10H8, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of derivatives among organic compounds. Formerly called also naphthaline..
Aphthous :: Aphthous (a.) Pertaining to, or caused by, aphthae; characterized by aphtae; as, aphthous ulcers; aphthous fever..
Naphtha :: Naphtha (n.) 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..
Thrush :: Thrush (n.) An affection of the mouth, fauces, etc., common in newly born children, characterized by minute ulcers called aphthae. See Aphthae..
Naphthalize :: Naphthalize (v. t.) To mingle, saturate, or impregnate, with naphtha..
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