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(-kt), v. i.[imp. & p. p.Reciprocated (-k°td); p. pr. & vb. n.Reciprocating.] [L. reciprocatus, p. p. of reciprocare. See Reciprocal.] To move forward and backward alternately; to recur in vicissitude; to act interchangeably; to alternate. One brawny smith the puffing bellows plies, And draws and blows reciprocating air. Dryden. Reciprocating engine, a steam, air, or gas engine, etc., in which the piston moves back and forth; -- in distinction from a rotary engine, in which the piston travels continuously in one direction in a circular path. Reciprocating motion (Mech.), motion alternately backward and forward, or up and down, as of a piston rod. Recip"rocate v. t.To give and return mutually; to make return for; to give in return; to interchange; to alternate; as, to reciprocate favors. Cowper. スポンサード リンク
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