Definition of acid

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Acid (a.) Sour, sharp, or biting to the taste; tart; having the taste of vinegar: as, acid fruits or liquors. Also fig.: Sour-tempered..

Lern More About Acid

Phocenic :: Phocenic (a.) Of or pertaining to dolphin oil or porpoise oil; -- said of an acid (called also delphinic acid) subsequently found to be identical with valeric acid.
Sulphovinic :: Sulphotungstic (a.) Of, pertaining to, or designating, hypothetical sulphacid of tungsten (called also sulphowolframic acid), analogous to sulphuric acid, and known in its salts..
Arsenite :: Arsenite (n.) A salt formed by the union of arsenious acid with a base.
Valerone :: Valerone (n.) A ketone of valeric acid obtained as an oily liquid.
Thiophenic :: Thiophenic (a.) Of, pertaining to, or derived from, thiophene; specifically, designating a certain acid analogous to benzoic acid..
Greening :: Greening (n.) A greenish apple, of several varieties, among which the Rhode Island greening is the best known for its fine-grained acid flesh and its excellent keeping quality..
Nitroform :: Nitroform (n.) A nitro derivative of methane, analogous to chloroform, obtained as a colorless oily or crystalline substance, CH.(NO2)3, quite explosive, and having well-defined acid properties..
Granulose :: Granulose (n.) The main constituent of the starch grain or granule, in distinction from the framework of cellulose. Unlike cellulose, it is colored blue by iodine, and is converted into dextrin and sugar by boiling acids and amylolytic ferments..
Oxamic :: Oxamic (a.) Pertaining to, or designating, an acid NH2.C2O2.HO obtained as a fine crystalline powder, intermediate between oxalic acid and oxamide. Its ammonium salt is obtained by boiling oxamide with ammonia..
Alloxantin :: Alloxantin (n.) A substance produced by acting upon uric with warm and very dilute nitric acid.
Usnic :: Usnic (a.) Pertaining to, or designating, a complex acid obtained, as a yellow crystalline substance, from certain genera of lichens (Usnea, Parmelia, etc.)..
Esculic :: Esculic (a.) Pertaining to, or obtained from, the horse-chestnut; as, esculic acid..
Pentadecatoic :: Pentadecatoic (a.) Of, pertaining to, or derived from, pentadecane, or designating an acid related to it..
Pyroacid :: Pyroacid (n.) An acid obtained by sybjecting another acid to the action of heat. Cf. Pyro-.
Catalysis :: Catalysis (n.) A process by which reaction occurs in the presence of certain agents which were formerly believed to exert an influence by mere contact. It is now believed that such reactions are attended with the formation of an intermediate compound or compounds, so that by alternate composition and decomposition the agent is apparenty left unchanged; as, the catalysis of making ether from alcohol by means of sulphuric acid; or catalysis in the action of soluble ferments (as diastase, or ptyali
Ground :: Ground (n.) A gummy composition spread over the surface of a metal to be etched, to prevent the acid from eating except where an opening is made by the needle..
Nitrosyl :: Nitrosyl (n.) the radical NO, called also the nitroso group. The term is sometimes loosely used to designate certain nitro compounds; as, nitrosyl sulphuric acid. Used also adjectively..
Rufigallic :: Rufigallic (a.) Pertaining to, or designating, an acid which is obtained from gallic acid as a brown or red crystalline substance, and is related to rufiopin and anthracene..
Sulphophosphoric :: Sulphophosphite (n.) A salt of sulphophosphorous acid.
Superphysical :: Superphosphate (n.) An acid phosphate.
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