reciprocal ness

[Eng reciprocal; -ne .] The quality or state of being reciprocal. *rě-çip-ro-cal-tỹ, s. [English reciprocal ; -ty.] The same as RECIPROCALITY (q. v.). rě-çip-ro-cāte, v. i. & t. [Lat. rec i proc at us, pa. par. of reciproco =to go backward and forward, to reciprocate.] A. In trans.: To move backward and forward; to act interchangeably or alternately; to alternate. B. Trans.: To give and return mutually; to give in requital; to interchange. re-çip-ro-cat-ing, pr. par. or adjt. [RECIPRO CATE.] reciprocating-engine, s. Steam - eng .: The common form of engine, in which the piston and piston-rod move backward and forward in a straight line, absolutely or relatively to the cylinder, as in oscillating-cylinder engines. The term is used in contradistinction to Rotary-engine (q. v.). reciprocating-motion, s. Mach .: A mode of action frequently employed in the transmi ion of power from one part of a machine to another. A rigid bar is suspended upon a center or axis, and the parts situated on each side the axis take alternately the positions of those on the other. le of reciprocating-propeller, s . A propeller having a paddle which has a limited stroke and returns in the same path. The propeller is reciprocated by a horizontal engine.