reciprocal
adjective
- linguistic structure that marks a particular kind of relationship between two noun phrases
- respond in kind, building a relationship of mutual dependency
- move back and forth alternately
noun
- of a number x, 1 divided by x
Wiktionary
Pronunciation: /ɹɪˈsɪpɹək(ə)l/
adj
Etymology: From Latin reciprocus, possibly from a phrase such as reque proque (“back and forth, to and fro”), from re- (“back”), prō (“forwards”) and -que (“and”).
- 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”
- Mutually interchangeable.
“These two rules will render a definition reciprocal with the thing defined.”
- Expressing mutual action, applied to pronouns and verbs; also in a broad sense: reflexive.
- Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities.
noun
Etymology: From Latin reciprocus, possibly from a phrase such as reque proque (“back and forth, to and fro”), from re- (“back”), prō (“forwards”) and -que (“and”).
- 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.”
- A construction expressing mutual action.
“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; […]”