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Webster’s Dictionary (1828)



134 words match “ALKALI”

BUCKING n.
The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching; also, the liquid used. Tomlinson.
CAESIUM n.
A rare alkaline metal found in mineral water; -- so called from the two characteristic blue lines in its spectrum. It was the first element discovered by spectrum analysis, and is the most strongly basic and electro-positive substance known. Symbol Cs. Atomic weight 132.6.
CALCIUM n.
forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight
CAOUTCHOUC n.
impermeable to liquids and gases, and not readly affected by exposure to air, acids, and alkalies, it is used, especially when vulcanized, for many purposes in the arts and in manufactures. Also called India rubber (because it was first brought from India, and was formerly used chiefly for erasing pencil marks) and gu…
CASEIN n.
ore or less abundantly in the seeds of leguminous plants. Its reactions resemble those of alkali albumin. [Written also caseine.]
CHLOROFORM n.
ng an ethereal odor and a sweetish taste, formed by treating alcohol with chlorine and an alkali. It is a powerful solvent of wax, resin, etc., and is extensively used to produce anæsthesia in surgical operations; also externally, to alleviate pain.
CLAY n.
ysite, bole, etc. -- Fire clay , a variety of clay, entirely free from lime, iron, or an alkali, and therefore infusible, and used for fire brick. -- Porcelain clay, a very pure variety, formed directly from the decomposition of feldspar, and often called kaolin. -- Potter's clay, a tolerably pure kind, free from ir…
CORRECT v.
; -- said of whatever is wrong or injurious; as, to correct the acidity of the stomach by alkaline preparations.
CORRECTIVE a. 2 definitions
ing to rectify; as, corrective penalties. Mulberries are pectoral, corrective of billious alkali. Arbuthnot.
CORRECTOR n.
One who, or that which, corrects; as, a corrector of abuses; a corrector of the press; an alkali is a corrector of acids.
CORRODE v.
y separating or destroying small particles of, as by action of a strong acid or a caustic alkali. Aqua fortis corroding copper . . . is wont to reduce it to a green- blue solution. Boyle.
CYANOGEN n.
eating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of elements, and shows a tendency to form complex compounds. The na…
DELIQUESCE v.
me liquid by attracting and absorbing moisture from the air, as certain salts, acids, and alkalies. In very moist air crystals of strontites deliquesce. Black.
DIASTATIC a.
es of diastase; effecting the conversion of starch into sugar. The influence of acids and alkalies on the diastatic action of saliva. Lauder Brunton.
DIETHYLAMINE n.
A colorless, volatile, alkaline liquid, NH(C2H5)2, having a strong fishy odor resembling that of herring or sardines. Cf. Methylamine.
EARTH n.
A similar oxide, having a slight alkaline reaction, as lime, magnesia, strontia, baryta.
EBULLITION n.
liberation of a gas or an aëriform fluid, as in the mixture of an acid with a carbonated alkali. [Formerly written bullition.]
ELASTIC a.
a network of slender and very elastic fibers which are but slightly affected by acids or alkalies. -- Gum elastic, caoutchouc.
FIXED a.
it can be absorbed or fixed by strong bases. See Carbonic acid, under Carbonic. -- Fixed alkali (Old Chem.), a non-volatile base, as soda, or potash, in distinction from the volatile alkali ammonia. -- Fixed ammunition (Mil.), a projectile and powder inclosed together in a case ready for loading. -- Fixed battery (M…
FLUORESCEIN n.
e and resorcin; -- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.
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