Search the Dictionary

oup, or a derivative of ammonia in which only one atom of hydrogen has been replaced by a basic radical; -- distinguished from secondary and tertiary amines. -- Primary amputation (Surg.), an amputation for injury performed as soon as the shock due to the injury has passed away, and before symptoms of inflammation sup…

A feebly basic solid, C4H4N2, obtained by distilling piperazine with zinc dust, and in other ways. Also, by extension, any of various derivatives of the same.

A crude acetate produced by treating pyroligneous acid with a metal or basic compound; as, pyrolignite of iron (iron liquor).

ometimes alumina and iron. Pyroxene is an essential constituent of many rocks, especially basic igneous rocks, as basalt, gabbro, etc.

e of a cream color. -- Queen's yellow (Old Chem.), a heavy yellow powder consisting of a basic mercuric sulphate; -- formerly called turpetum minerale, or Turbith's mineral.

ent of any compound; hence, sometimes, an atom. As a general rule, the metallic atoms are basic radicals, while the nonmetallic atoms are acid radicals. J. P. Cooke.

y), or of being exchanged (for); as, the hydrogen of acids is replaceable by metals or by basic radicals.

Pertaining to, or designating, a dibasic acid of the oxalic series found in archil (Roccella tinctoria, etc.), and other lichens, and extracted as a white crystalline substance C17H32O4.

veral 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…

. Scouring barrel, a tumbling barrel. See under Tumbling. -- Scouring cinder (Metal.), a basic slag, which attacks the lining of a shaft furnace. Raymond. -- Scouring rush. (Bot.) See Dutch rush, under Dutch. -- Scouring stock (Woolen Manuf.), a kind of fulling mill.

g to, or obtained from, stearin or tallow; resembling tallow. Stearic acid (Chem.), a monobasic fatty acid, obtained in the form of white crystalline scales, soluble in alcohol and ether. It melts to an oily liquid at 69°C.C18H36O2, CH3.(CH2)16.COOH; sodium stearate, with sodium palmitate, is the main component of ordi…

resorcin. Styphnic acid resembles picric acid, but is not bitter. It acts like a strong dibasic acid, having a series of well defined salts.

mount; as, subsulphide, suboxide, etc. Prefixed to the name of a salt it is equivalent to basic; as, subacetate or basic acetate. [Obsoles.]

An acetate containing an excess of the basic constituent.

A carbonate containing an excess of the basic constituent.

A basic salt. See the Note under Salt.

A basic silicate.

Pertaining to, or derived from, amber; specif., designating a dibasic acid, C

Any one of a series of basic compounds which consist essentially of sulphur united with hydrocarbon radicals. In general they are oily or crystalline deliquescent substances having a peculiar odor; as, trimethyl sulphine, (CH3)3S.OH. Cf. Sulphonium.

hem.) See under Cream. -- Tartar emetic (Med. Chem.), a double tartrate of potassium and basic antimony. It is a poisonous white crystalline substance having a sweetish metallic taste, and used in medicine as a sudorific and emetic.