CHAIN n.
hain rule (Arith.), a theorem for solving numerical problems by composition of ratios, or compound proportion, by which, when several ratios of equality are given, the consequent of each being the same as the antecedent of the next, the relation between the first antecedent and the last consequent is discovered. -- Ch…
CHALK n.
Finely prepared chalk, used as a drawing implement; also, by extension, a compound, as of clay and black lead, or the like, used in the same manner. See Crayon. Black chalk, a mineral of a bluish color, of a slaty texture, and soiling the fingers when handled; a variety of argillaceous slate. -- By a long chalk, by a…
CHLORIC a.
Pertaining to, or obtained from, chlorine; -- said of those compounds of chlorine in which this element has a valence of five, or the next to its highest; as, chloric acid, HClO3. Chloric ether (Chem.), ethylene dichloride. See Dutch liquid, under Dutch.
CHLORIDE n.
A binary compound of chlorine with another element or radical; as, chloride of sodium (common salt). Chloride of ammonium, sal ammoniac. -- Chloride of lime, bleaching powder; a grayish white substance, CaOClcalcium hypochlorite. See Hypochlorous acid, under Hypochlorous. -- Mercuric chloride, corrosive sublimate.…
CHLORINE n.
suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt. It is powerful oxidizing, bleaching, and disinfecting agent. Symbol Cl. Atomic weight, 35.4. Chlorine family, the elements fluorine, chlorine, bromine, and iodine, called the halogens, and classed toget…