RULE n.
A composing rule. See under Conposing. As a rule, as a general thing; in the main; usually; as, he behaves well, as a rule. -- Board rule, Caliber rule,etc. See under Board, Caliber, etc. -- Rule joint, a knuckle joint having shoulders that abut when the connected pieces come in line with each other, and thus permit…
SWIVEL n.
, for readily taking the turns out of a tackle. -- Swivel joint, a joint, the two pieces composing which turn round, with respect to each other, on a longitudinal pin or axis, as in a chain, to prevent twisting.
TITANIC a.
tanous compounds. Titanic acid (Chem.), a white amorphous powder, Ti.(OH)4, obtained by decomposing certain titanates; -- called also normal titanic acid. By extension, any one of a series of derived acids, called also metatitanic acid, polytitanic acid, etc. -- Titanic iron ore. (Min.) See Menaccanite.…