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Hasil cari dari kata atau frase: Neutral salt (0.01049 detik)
Found 1 items, similar to Neutral salt.
English → English (gcide) Definition: Neutral salt Salt \Salt\, n. [AS. sealt; akin to OS. & OFries. salt, D. zout, G. salz, Icel., Sw., & Dan. salt, L. sal, Gr. ?, Russ. sole, Ir. & Gael. salann, W. halen, of unknown origin. Cf. Sal, Salad, Salary, Saline, Sauce, Sausage.] 1. The chloride of sodium, a substance used for seasoning food, for the preservation of meat, etc. It is found native in the earth, and is also produced, by evaporation and crystallization, from sea water and other water impregnated with saline particles. [1913 Webster] 2. Hence, flavor; taste; savor; smack; seasoning. [1913 Webster] Though we are justices and doctors and churchmen . . . we have some salt of our youth in us. --Shak. [1913 Webster] 3. Hence, also, piquancy; wit; sense; as, Attic salt. [1913 Webster] 4. A dish for salt at table; a saltcellar. [1913 Webster] I out and bought some things; among others, a dozen of silver salts. --Pepys. [1913 Webster] 5. A sailor; -- usually qualified by old. [Colloq.] [1913 Webster] Around the door are generally to be seen, laughing and gossiping, clusters of old salts. --Hawthorne. [1913 Webster] 6. (Chem.) The neutral compound formed by the union of an acid and a base; thus, sulphuric acid and iron form the salt sulphate of iron or green vitriol. [1913 Webster] Note: Except in case of ammonium salts, accurately speaking, it is the acid radical which unites with the base or basic radical, with the elimination of hydrogen, of water, or of analogous compounds as side products. In the case of diacid and triacid bases, and of dibasic and tribasic acids, the mutual neutralization may vary in degree, producing respectively basic, neutral, or acid salts. See Phrases below. [1913 Webster] 7. Fig.: That which preserves from corruption or error; that which purifies; a corrective; an antiseptic; also, an allowance or deduction; as, his statements must be taken with a grain of salt. [1913 Webster] Ye are the salt of the earth. --Matt. v. 13. [1913 Webster] 8. pl. Any mineral salt used as an aperient or cathartic, especially Epsom salts, Rochelle salt, or Glauber's salt. [1913 Webster] 9. pl. Marshes flooded by the tide. [Prov. Eng.] [1913 Webster] Above the salt, Below the salt, phrases which have survived the old custom, in the houses of people of rank, of placing a large saltcellar near the middle of a long table, the places above which were assigned to the guests of distinction, and those below to dependents, inferiors, and poor relations. See Saltfoot. [1913 Webster] His fashion is not to take knowledge of him that is beneath him in clothes. He never drinks below the salt. --B. Jonson. [1913 Webster] Acid salt (Chem.) (a) A salt derived from an acid which has several replaceable hydrogen atoms which are only partially exchanged for metallic atoms or basic radicals; as, acid potassium sulphate is an acid salt. (b) A salt, whatever its constitution, which merely gives an acid reaction; thus, copper sulphate, which is composed of a strong acid united with a weak base, is an acid salt in this sense, though theoretically it is a neutral salt. Alkaline salt (Chem.), a salt which gives an alkaline reaction, as sodium carbonate. Amphid salt (Old Chem.), a salt of the oxy type, formerly regarded as composed of two oxides, an acid and a basic oxide. [Obsolescent] Basic salt (Chem.) (a) A salt which contains more of the basic constituent than is required to neutralize the acid. (b) An alkaline salt. Binary salt (Chem.), a salt of the oxy type conveniently regarded as composed of two ingredients (analogously to a haloid salt), viz., a metal and an acid radical. Double salt (Chem.), a salt regarded as formed by the union of two distinct salts, as common alum, potassium aluminium sulphate. See under Double. Epsom salts. See in the Vocabulary. Essential salt (Old Chem.), a salt obtained by crystallizing plant juices. Ethereal salt. (Chem.) See under Ethereal. Glauber's salt or Glauber's salts. See in Vocabulary. Haloid salt (Chem.), a simple salt of a halogen acid, as sodium chloride. Microcosmic salt. (Chem.). See under Microcosmic. Neutral salt. (Chem.) (a) A salt in which the acid and base (in theory) neutralize each other. (b) A salt which gives a neutral reaction. Oxy salt (Chem.), a salt derived from an oxygen acid. Per salt (Old Chem.), a salt supposed to be derived from a peroxide base or analogous compound. [Obs.] Permanent salt, a salt which undergoes no change on exposure to the air. Proto salt (Chem.), a salt derived from a protoxide base or analogous compound. Rochelle salt. See under Rochelle. Salt of amber (Old Chem.), succinic acid. Salt of colcothar (Old Chem.), green vitriol, or sulphate of iron. Salt of hartshorn. (Old Chem.) (a) Sal ammoniac, or ammonium chloride. (b) Ammonium carbonate. Cf. Spirit of hartshorn, under Hartshorn. Salt of lemons. (Chem.) See Salt of sorrel, below. Salt of Saturn (Old Chem.), sugar of lead; lead acetate; -- the alchemical name of lead being Saturn. Salt of Seignette. Same as Rochelle salt. Salt of soda (Old Chem.), sodium carbonate. Salt of sorrel (Old Chem.), acid potassium oxalate, or potassium quadroxalate, used as a solvent for ink stains; -- so called because found in the sorrel, or Oxalis. Also sometimes inaccurately called salt of lemon. Salt of tartar (Old Chem.), potassium carbonate; -- so called because formerly made by heating cream of tartar, or potassium tartrate. [Obs.] Salt of Venus (Old Chem.), blue vitriol; copper sulphate; -- the alchemical name of copper being Venus. Salt of wisdom. See Alembroth. Sedative salt (Old Med. Chem.), boric acid. Sesqui salt (Chem.), a salt derived from a sesquioxide base or analogous compound. Spirit of salt. (Chem.) See under Spirit. Sulpho salt (Chem.), a salt analogous to an oxy salt, but containing sulphur in place of oxygen. [1913 Webster] Neutral \Neu"tral\, a. [L. neutralis, fr. neuter. See Neuter.] 1. Not engaged on either side; not taking part with or assisting either of two or more contending parties; neuter; indifferent. [1913 Webster] The heart can not possibly remain neutral, but constantly takes part one way or the other. --Shaftesbury. [1913 Webster] 2. Neither good nor bad; of medium quality; middling; not decided or pronounced. [1913 Webster] Some things good, and some things ill, do seem, And neutral some, in her fantastic eye. --Sir J. Davies. [1913 Webster] 3. (Biol.) Neuter. See Neuter, a., 3. [1913 Webster] 4. (Chem.) Having neither acid nor basic properties; unable to turn red litmus blue or blue litmus red; -- said of certain salts or other compounds. Contrasted with acid, and alkaline. [1913 Webster] Neutral axis, Neutral surface (Mech.), that line or plane, in a beam under transverse pressure, at which the fibers are neither stretched nor compressed, or where the longitudinal stress is zero. See Axis. Neutral equilibrium (Mech.), the kind of equilibrium of a body so placed that when moved slighty it neither tends to return to its former position not depart more widely from it, as a perfect sphere or cylinder on a horizontal plane. Neutral salt (Chem.), a salt formed by the complete replacement of the hydrogen in an acid or base; in the former case by a positive or basic, in the latter by a negative or acid, element or radical. Neutral tint, a bluish gray pigment, used in water colors, made by mixing indigo or other blue some warm color. the shades vary greatly. Neutral vowel, the vowel element having an obscure and indefinite quality, such as is commonly taken by the vowel in many unaccented syllables. It is regarded by some as identical with the [u^] in up, and is called also the natural vowel, as unformed by art and effort; it is also called the indefinite vowel. It is symbolized in some phonetic alphabets by the schwa ([schwa]). See Guide to Pronunciation, [sect] 17. [1913 Webster]

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