reciprocalとは意味・読み方・使い方

発音

• IPA^(key): /ɹɪˈsɪpɹək(ə)l/

形容詞

reciprocal (not comparable)

1. Of a feeling, action or such: mutual, uniformly felt or done by each party towards the other or others; two-way.

   reciprocal love; reciprocal duties

   • c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act IV, scene vi]:

     Let our reciprocal vows be remembered.

2. Mutually interchangeable.
   • 1725, Isaac Watts, Logick, or The Right Use of Reason in the Enquiry After Truth With a Variety of Rules to Guard:

     These two rules will render a definition reciprocal with the thing defined.

3. (grammar) expressing mutual action, applied to pronouns and verbs; also in a broad sense: reflexive
4. (mathematics) Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities.

   The reciprocal of a number is the number you would have to multiply it by to get the answer 1.

5. Done, given, felt, or owed in return

   a reciprocal invitation to lunch

同意語

• mutual, two-way
• contrary, opposite, converse, inverse, inverted, cross
• (grammar): reflexive
• See also Thesaurus:contrary

派生語

• irreciprocal

関連する語

• reciprocity

名詞

reciprocal (複数形 reciprocals)

1. (arithmetic) The number obtained by dividing 1 by another given number; the result of exchanging the numerator and the denominator of a fraction.

   0.5 is the reciprocal of 2.

2. (grammar) A construction expressing mutual action.
   • 2008, Ekkehard König, Volker Gast, Reciprocals and Reflexives: Theoretical and Typological Explorations

     Depending on where reciprocalization applies (syntax vs. lexicon), the relevant reciprocal verbs are claimed to exhibit specific properties, in particular: (i) syntactic reciprocals are fully productive whereas lexical reciprocals have only limited productivity; […]

同意語

• (in arithmetic): multiplicative inverse