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Any substance or mixture used to promote the fusion of metals or minerals, as alkalies, borax, lime, fluorite.

along with esculin in the bark of the horse-chestnut. It shows a delicate fluorescence in alkaline solutions; -- called also paviin.

or partly fused in a furnace, but before vitrification. It is a composition of silex and alkali, occasionally with other ingredients. Ure.

The bitter, alkaline, viscid fluid found in the gall bladder, beneath the liver. It consists of the secretion of the liver, or bile, mixed with that of the mucous membrane of the gall bladder.

A suffix signifying producing, yielding; as, alkaligenous; endogenous.

are frequently of a bitter taste, but, by the action of ferments, or of dilute acids and alkalies, always break down into some characteristic substance (acid, aldehyde, alcohol, phenole, or alkaloid) and glucose (or some other sugar); hence the name. They are of the nature of complex and compound ethers, and ethereal…

somewhat prickly shrub (Sarcobatus vermiculatus) of the Spinach family, very abundant in alkaline valleys from the upper Missouri to California. The name is also applied to other plants of the same family, as several species of Atriplex and Obione.

Any substance or pigment of a green color. Alkali green (Chem.), an alkali salt of a sulphonic acid derivative of a complex aniline dye, resembling emerald green; -- called also Helvetia green.-- Berlin green. (Chem.) See under Berlin. -- Brilliant green (Chem.), a complex aniline dye, resembling emerald green in comp…

A strongly alkaline base, CN3H5, formed by the oxidation of guanin, and also obtained combined with methyl in the decomposition of creatin. Boiled with dilute sulphuric acid, it yields urea and ammonia.

artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also methyl orange.

color, sometimes used in medicine. It is formed by fusing sulphur with carbonates of the alkalies (esp. potassium), and consists essentially of alkaline sulphides. Called also hepar sulphuris (.

on the principles of the hermetic philosophy, and which made much use, as a remedy, of an alkali and an acid; as, hermetic medicine.

r separate water; eliminating water. Hydrolytic agents, such as sulphuric acid or caustic alkali. Encyc. Brit. Hydrolitic ferment (Physiol. Chem.), a ferment, enzyme, or chemical ferment, which acts only in the presence of water, and which causes the substance acted upon to take up a molecule of water. Thus, diastase o…

e of another substance, or by evaporating the thinner parts. Acids dissolve or attenuate; alkalies precipitate or incrassate. Sir I. Newton. Liquors which time hath incrassated into jellies. Sir T. Browne.

That which indicates the condition of acidity, alkalinity, or the deficiency, excess, or sufficiency of a standard reagent, by causing an appearance, disappearance, or change of color, as in titration or volumetric analysis.

Forming alkalies with oxygen, as some metals.

To destroy the effect of; to counteract; to neutralize; as, alkali kills acid. To kill time, to busy one's self with something which occupies the attention, or makes the time pass without tediousness.

A quantity of wood ashes, through which water passes, and thus imbibes the alkali.

ant of the genus Leontice (L. leontopetalum), the tuberous roots of which contain so much alkali that they are sometimes used as a substitute for soap.

The oxide of lithium; a strong alkaline caustic similar to potash and soda, but weaker. See Lithium. Lithia emerald. See Hiddenite.