1. One who, or that which, regulates.
2. (Mach.)
Defn: A contrivance for regulating and controlling motion, as: (a) The lever or index in a watch, which controls the effective length of the hairspring, and thus regulates the vibrations of the balance. (b) The governor of a steam engine. (c) A valve for controlling the admission of steam to the steam chest, in a locomotive.
3. A clock, or other timepiece, used as a standard of correct time. See Astronomical clock (a), under Clock.
4. A member of a volunteer committee which, in default of the lawful authority, undertakes to preserve order and prevent crimes; also, sometimes, one of a band organized for the comission of violent crimes. [U.S.] A few stood neutral, or declared in favor of the Regulators. Bancroft.
REGULINE
Reg"u*line (rg"*ln), a. Etym: [Cf. F. régulin. See Regulus.] (Chem. &
Metal.)
Defn: Of or pertaining to regulus.
REGULIZE
Reg"u*lize (-lz), v. t. (Old Chem.)
Defn: To reduce to regulus; to separate, as a metal from extraneous matter; as, to regulize antimony. [Archaic]
REGULUS
Reg"u*lus (-ls), n.; pl. E. Reguluses (-Reguli (-l. Etym: [L., a
petty king, prince, dim. of rex, regis, a king: cf. F. régule. See
Regal.]