reciprocatory

• 过时形容词，表示与相互交换有关的或具有相互交换特征的。

An obsolete adjective meaning relating to or characterized by mutual exchange or reciprocation.

1. Mutual or given in returnC2formal

   Describes something that is given, done, or owed to each other; involving mutual exchange.

   相互的

   • The two nations signed a reciprocatory trade agreement.
   • Their relationship was built on reciprocatory respect and kindness.
   • The treaty established reciprocatory obligations between the parties.

   同义词correspondingequivalentgive-and-takeinterchangeablematchingmutualreciprocal

2. Alternating motionC2formal

   Moving alternately backward and forward, like a piston or a saw.

   往复运动

   • The engine uses a reciprocatory motion to convert pressure into rotation.
   • A reciprocatory saw is ideal for cutting through tough materials.
   • The machine's reciprocatory action creates a smooth, consistent cut.

   同义词alternatingback and forthoscillatingto and fro

   反义词continuousnonreciprocatingone-wayrotaryunidirectional