reciprocal
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][(語源)reciproc「戻ること」+al「…の」](形)(名)(形)(名)
(通例名詞の前で用いる)(1)相互の,互いの(mutual);互恵的な
reciprocal trade
相互貿易
a reciprocal agreement
相互協定
reciprocal assistance
相互扶助[理解].
(2)返礼の,お返しの;報いの,仕返しの
reciprocal gifts
お返しの贈り物
(3)〔数学〕逆の.
(1)相互的なもの,相対[相当]物
(2)〔数学〕逆数(reciprocal number)
(派生)~ly(副)
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