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Pronunciation:  ri'sipru`keyt

WordNet Dictionary
  1. [v]  alternate the direction of motion of; "the engine reciprocates the propeller"
  2. [v]  act, feel, or give mutually or in return; "We always invite the neighbors and they never reciprocate!"

RECIPROCATE is a 11 letter word that starts with R.


 See Also: act, move, move, return



Webster's 1913 Dictionary
  1. \Re*cip"ro*cate\, v. i. [imp. & p. p.
    {Reciprocated}; 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.
  2. \Re*cip"ro*cate\, v. t.
    To give and return mutually; to make return for; to give in
    return; to unterchange; to alternate; as, to reciprocate
    favors. --Cowper.