Definition, Meaning & Synonyms | English word RECIPROCAL

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Definitions of RECIPROCAL

1. Of a feeling, action or such: mutual, uniformly felt or done by each party towards the other or others; two-way.
2. Mutually interchangeable.
3. Done, given, felt, or owed in return.
4. (grammar) Expressing mutual action, applied to pronouns and verbs; also in a broad sense: reflexive.
5. (math) Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities.
6. (arithmetic) The number obtained by dividing 1 by another given number; the result of exchanging the numerator and the denominator of a fraction.
7. (grammar) A construction expressing mutual action.

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Examples of Using RECIPROCAL in a Sentence

• Abbe numbers are used in the design of achromatic lenses, as their reciprocal is proportional to dispersion (slope of refractive index versus wavelength) in the wavelength region where the human eye is most sensitive (see graph).
• Economists usually distinguish barter from gift economies in many ways; barter, for example, features immediate reciprocal exchange, not one delayed in time.
• Sub-types include personal and possessive pronouns, reflexive and reciprocal pronouns, demonstrative pronouns, relative and interrogative pronouns, and indefinite pronouns.
• The independent variable is usually the wavelength of the light or a closely derived physical quantity, such as the corresponding wavenumber or the photon energy, in units of measurement such as centimeters, reciprocal centimeters, or electron volts, respectively.
• Since time is the reciprocal of frequency, it is relatively easy to derive a time standard from a frequency standard.
• The term isochronous is used in several technical contexts, but usually refers to the primary subject maintaining a constant period or interval (the reciprocal of frequency), despite variations in other measurable factors in the same system.
• From the law of large numbers, one can show that the relative fluctuations reduce as the reciprocal square root of the number of throws, a result valid for all statistical fluctuations, including shot noise.
• Specific detectivity, or D*, for a photodetector is a figure of merit used to characterize performance, equal to the reciprocal of noise-equivalent power (NEP), normalized per square root of the sensor's area and frequency bandwidth (reciprocal of twice the integration time).
• Examples of unary operators in mathematics and in programming include the unary minus and plus, the increment and decrement operators in C-style languages (not in logical languages), and the successor, factorial, reciprocal, floor, ceiling, fractional part, sign, absolute value, square root (the principal square root), complex conjugate (unary of "one" complex number, that however has two parts at a lower level of abstraction), and norm functions in mathematics.
• In evolutionary biology, reciprocal altruism is a behaviour whereby an organism acts in a manner that temporarily reduces its fitness while increasing another organism's fitness, with the expectation that the other organism will act in a similar manner at a later time.
• Hybrid (biology), in genetics, the result of a reciprocal pair of crossings, forming reciprocal hybrids.
• The Act served as an institutional reform intended to authorize the president to negotiate with foreign nations to reduce tariffs in return for reciprocal reductions in tariffs in the United States up to 50%.
• All Australian citizens and permanent residents are eligible to enrol in Medicare, as well as international visitors from 11 countries that have reciprocal agreements for medically necessary treatment.
• The ratio is called coefficient of proportionality (or proportionality constant) and its reciprocal is known as constant of normalization (or normalizing constant).
• Gossip columnists have a reciprocal relationship with the celebrities whose private lives are splashed about in the gossip column's pages.
• Services offered by the library include Ask A Librarian, Books by Mail, Summer Reading Lists, Technology Classes, Legal Resources, Reciprocal Borrowing, and Talking Books for Sight Impaired.
• A special name was introduced for the reciprocal second (s) to represent radioactivity to avoid potentially dangerous mistakes with prefixes.
• It is the reciprocal cross to the more common mule, which is the product of a male donkey (a jack) and a female horse (a mare).
• In the context of the unincorporated reciprocal inter-insurance exchange (URIE) the attorney-in-fact is a stakeholder/trustee who takes custody of the subscriber funds placed on deposit with him, and then uses those funds to pay insurance claims.
• Because this is a trigonometric function, the angle of view does not vary quite linearly with the reciprocal of the focal length.
• Intermontane is a physiographic adjective formed from the prefix "inter-" (signifying among, between, amid, during, within, mutual, reciprocal) and the adjective "montane" (inhabiting, or growing in mountainous regions, especially cool, moist upland slopes below the timberline).
• Reciprocal trade agreement, entered into in order to reduce (or eliminate) tariffs, quotas and other trade restrictions on items traded between the signatories.
• Multiplicative inverse (reciprocal), a number which when multiplied by a given number yields the multiplicative identity, 1.
• Interpersonal attraction includes factors such as physical or psychological similarity, familiarity or possessing a preponderance of common or familiar features, similarity, complementarity, reciprocal liking, and reinforcement.
• To spark reciprocal trade, he commissioned William Wollett's spectacular engraving of Richard Wilson's The Destruction of the Children of Niobe, which revolutionised the print trade.

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