CHLORINE n.
One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as air, of an intensely disagreeable suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt. It is powerful oxidizing, bleaching, and disinfecting a…
CHROMIUM n.
t occurring most abundantly in the mineral chromite. Atomic weight 52.5. Symbol Cr. When isolated it is a hard, brittle, grayish white metal, fusible with difficulty. Its chief commercial importance is for its compounds, as potassium chromate, lead chromate, etc., which are brilliantly colored and are used dyeing and c…
COMET n.
A member of the solar system which usually moves in an elongated orbit, approaching very near to the sun in its perihelion, and receding to a very great distance from it at its aphelion. A comet commonly consists of three parts: the nucleus, the envelope, or coma, and the tail; but one or more of these parts is frequen…
CYANIC a.
c acid (Chem.), an acid, HOCN, derived from cyanogen, well known in its salts, but never isolated in the free state. -- Cyanic colors (Bot.), those colors (of flowers) having some tinge of blue; -- opposed to xanthic colors. A color of either series may pass into red or white, but not into the opposing color. Red and…
DE- n.
pposite in derange, deform, destroy, etc. It is intensive in deprave, despoil, declare, desolate, etc.