Definition of acid

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Acid (n.) One of a class of compounds, generally but not always distinguished by their sour taste, solubility in water, and reddening of vegetable blue or violet colors. They are also characterized by the power of destroying the distinctive properties of alkalies or bases, combining with them to form salts, at the same time losing their own peculiar properties. They all contain hydrogen, united with a more negative element or radical, either alone, or more generally with oxygen, and take their n

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Equivalent :: Equivalent (n.) That comparative quantity by weight of an element which possesses the same chemical value as other elements, as determined by actual experiment and reference to the same standard. Specifically: (a) The comparative proportions by which one element replaces another in any particular compound; thus, as zinc replaces hydrogen in hydrochloric acid, their equivalents are 32.5 and 1. (b) The combining proportion by weight of a substance, or the number expressing this proportion, in any
Nonylic :: Nonylic (a.) Of, pertaining to, or designating, nonyl or its compounds; as, nonylic acid..
Ricinelaidin :: Ricinelaidin (n.) The glycerin salt of ricinelaidic acid, obtained as a white crystalline waxy substance by treating castor oil with nitrous acid..
Citrate :: Citrate (n.) A salt of citric acid.
Permanganic :: Permanganic (a.) Pertaining to, or designating, one of the higher acids of manganese, HMnO4, which forms salts called permanganates..
Salso-acid :: Salso-acid (a.) Having a taste compounded of saltness and acidity; both salt and acid.
Xylidic :: Xylidic (a.) Pertaining to, or designating, either one of two distinct acids which are derived from xylic acid and related compounds, and are metameric with uvitic acid..
Humin :: Humin (n.) A bitter, brownish yellow, amorphous substance, extracted from vegetable mold, and also produced by the action of acids on certain sugars and carbohydrates; -- called also humic acid, ulmin, gein, ulmic or geic acid, etc..
Mimotannic :: Mimotannic (a.) Pertaining to, or designating, a variety of tannin or tannic acid found in Acacia, Mimosa, etc..
Platinocyanic :: Platinocyanic (a.) Pertaining to, derived from, or designating, an acid compound of platinous cyanide and hydrocyanic acid. It is obtained as a cinnaber-red crystalline substance..
Cranberry :: Cranberry (n.) A red, acid berry, much used for making sauce, etc.; also, the plant producing it (several species of Vaccinum or Oxycoccus.) The high cranberry or cranberry tree is a species of Viburnum (V. Opulus), and the other is sometimes called low cranberry or marsh cranberry to distinguish it..
Hypophosphate :: Hypophosphate (n.) A salt of hypophosphoric acid.
Rebiting :: Rebiting (n.) The act or process of deepening worn lines in an etched plate by submitting it again to the action of acid.
Acidity :: Acidity (n.) The quality of being sour; sourness; tartness; sharpness to the taste; as, the acidity of lemon juice..
Anacardic :: Anacardic (a.) Pertaining to, or derived from, the cashew nut; as, anacardic acid..
Semiacid :: Semiacid (a.) Slightly acid; subacid.
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..
Capric :: Capric (a.) Of or pertaining to capric acid or its derivatives.
Edulcorate :: Edulcorate (v. t.) To free from acids, salts, or other soluble substances, by washing; to purify..
Cowberry :: Cowberry (n.) A species of Vaccinium (V. Vitis-idaea), which bears acid red berries which are sometimes used in cookery; -- locally called mountain cranberry..
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