| 单词 | reciprocal |
| 释义 | reciprocal —reciprocality, reciprocalness, n. —reciprocally, adv. /ri sip"reuh keuhl/, adj. 1. given or felt by each toward the other; mutual: reciprocal respect. 2. given, performed, felt, etc., in return: reciprocal aid. 3. corresponding; matching; complementary; equivalent: reciprocal privileges at other health clubs. 4. Gram. (of a pronoun or verb) expressing mutual relationship or action: "Each other" and "one another" are reciprocal pronouns. 5. inversely related or proportional; opposite. 6. Math. noting expressions, relations, etc., involving reciprocals: a reciprocal function. 7. Navig. bearing in a direction 180° to a given direction; back. n. 8. something that is reciprocal to something else; equivalent; counterpart; complement. 9. Also called multiplicative inverse. Math. the ratio of unity to a given quantity or expression; that by which the given quantity or expression is multiplied to produce unity: The reciprocal of x is 1/x. [1560-70; < L reciproc(us) returning, reciprocal + -AL1] Syn. 1. See mutual. |
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