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Webster’s Dictionary (1828)



74 words match “ALKALINE”

SAGEBRUSH n.
lar shrub (Artemisia tridentata), of the order Compositæ, covering vast tracts of the dry alkaline regions of the American plains; -- called also sagebush, and wild sage.
SAL n.
; -- so called because erroneously supposed to be composed of two salts, one acid and one alkaline. -- Sal diureticus Etym: [NL.] (Old Med. Chem.), potassium acetate. -- Sal enixum Etym: [NL.] (Old Chem.), acid potassium sulphate. -- Sal gemm\'91 Etym: [NL.] (Old Min.), common salt occuring native. -- Sal Jovis Ety…
SALERATUS n.
Aërated salt; a white crystalline substance having an alkaline taste and reaction, consisting of sodium bicarbonate (see under Sodium.) It is lagerly used in cooking, with sour milk (lactic acid) or cream of tartar as a substitute for yeast. It is also an ingridient of most baking powders, and is used in the preparatio…
SALT n.
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] -- Bas…
SOAP n.
is used as a cleansing agent. Soap is produced by combining fats or oils with alkalies or alkaline earths, usually by boiling, and consists of salts of sodium, potassium, etc., with the fatty acids (oleic, stearic, palmitic, etc.). See the Note below, and cf. Saponification. By extension, any compound of similar compos…
SODIUM n.
d otherwise. -- Sodium bicarbonate, a white crystalline substance, HNaCO3, with a slight alkaline taste resembling that of sodium carbonate. It is found in many mineral springs and also produced artificially,. It is used in cookery, in baking powders, and as a source of carbonic acid gas (carbon dioxide) for soda wate…
SULPHUR n.
of antimonic sulphide, Sb2S5, -- formerly a famous nostrum. -- Sulphur base (Chem.), an alkaline sulphide capable of acting as a base in the formation of sulphur salts according to the old dual theory of salts. [Archaic] -- Sulphur dioxide (Chem.), a colorless gas, SO2, of a pungent, suffocating odor, produced by the…
TRIMETHYLAMINE n.
A colorless volatile alkaline liquid, N.(CH3)3, obtained from herring brine, beet roots, etc., with a characteristic herringlike odor. It is regarded as a substituted ammonia containing three methyl groups.
TRYPSIN n.
in the pancreatic juice. Unlike the pepsin of the gastric juice, it acts in a neutral or alkaline fluid, and not only converts the albuminous matter of the food into soluble peptones, but also, in part, into leucin and tyrosin.
TURMERIC a.
turmerol. Turmeric paper (Chem.), paper impregnated with turmeric and used as a test for alkaline substances, by which it is changed from yellow to brown. -- Turmeric root. (Bot.) (a) Bloodroot. (b) Orangeroot.
URANIN n.
An alkaline salt of fluorescein, obtained as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass) of its solutions. See Fluorescein.
UROXANIC a.
hich is obtained, as a white crystalline substance, by the slow oxidation of uric acid in alkaline solution.
WASHING n.
a filter, etc. -- Washing fluid, a liquid used as a cleanser, and consisting usually of alkaline salts resembling soaps in their action. -- Washing machine, a machine for washing; specifically, a machine for washing clothes. -- Washing soda. (Chem.) See Sodium carbonate, under Sodium. -- Washing stuff, any earthy…
WHITE n.
ich surrounds the yolk in an egg, particularly in the egg of a fowl. In a hen's egg it is alkaline, and contains about 86 per cent of water and 14 per cent of solid matter, the greater portion of which is egg albumin. It likewise contains a small amount of globulin, and traces of fats and sugar, with some inorganic mat…
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