COBALTOUS a.
-- said esp. of cobalt compounds in which the metal has its lower valence. Cobaltous chloride, a crystalline compound, CoCl2, of a pale rose color when hydrous, blue when dehydrated. Its solution is used for a sympathetic ink, the writing being nearly colorless when dried in the air, owing to absorbed moisture, and be…
CORROSIVE a.
r vexing. Care is no cure, but corrosive. Shak. Corrosive sublimate (Chem.), mercuric chloride, HgCl2; so called because obtained by sublimation, and because of its harsh irritating action on the body tissue. Usually it is in the form of a heavy, transparent, crystalline substance, easily soluble, and of an acrid, burn…
COVER v. 2 definitions
se covers a mare; -- said of the male. To cover ground or distance, to pass over; as, the rider covered the ground in an hour. -- To cover one's short contracts (Stock Exchange), to buy stock when the market rises, as a dealer who has sold short does in order to protect himself. -- Covering party (Mil.), a detachment…