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单词 reciprocal mass
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reciprocal mass
c. Physics. Prefixed to the name of a standard unit to form the name of a unit in which quantities measured are the reciprocals of quantities measured in the standard unit, as reciprocal centimetre, reciprocal second. Also: prefixed to the name of a quantity to form the name of the reciprocal of that quantity, as reciprocal mass, reciprocal temperature.
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reciprocal1902
1902 Proc. Royal Soc. 70 82 The following numbers expressed in reciprocal ohms represent the mean of the author's results on the specific conductivity of solutions of oxy-hæmoglobin.
1933 Jrnl. Optical Soc. Amer. 23 41 It is proposed that reciprocal temperature..be adopted as a conventional parameter for specifying the chromaticity of incandescent illuminants.
1934 H. E. White Introd. Atomic Spectra i. 6 Wave numbers..are units with the dimensions of reciprocal centimeters, abbreviated cm−1.
1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) xvii. 117 Specific conductivity is expressed in reciprocal ohms or mhos.
1960 A. D. Cross Introd. Pract. Infra-red Spectrosc. i. 2 The true unit of frequency (ν) is given in reciprocal seconds (sec−1).
1969 Jrnl. Brit. Astron. Assoc. 80 14 The orbit of Neptune has always given trouble to students of celestial mechanics. Newcomb used observations of 1795 and 1846–1896 in his theory, coupled with a value for the reciprocal mass of 360 000.
1989 P. Horowitz & W. Hill Art of Electronics (ed. 2) i. 7/1 Engineers are fond of defining reciprocal units.
2001 R. W. Cahn Coming of Materials Sci. iv. 171 It was discovered that some plots of the logarithm of diffusion coefficients against reciprocal temperature were curved.
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