nucliden.

Brit.

/ˈnjuːklʌɪd/, U.S.

/ˈn(j)uˌklaɪd/

Forms: 1900s– nucleide, 1900s– nuclide.

Origin: A borrowing from Greek, combined with an English element. Etymons: nucleus n., Greek εἶδος.

Etymology: < nucleus n. + ancient Greek εἶδος form, kind (see eidos n.).

Nuclear Physics.

A distinct species of atom or nucleus, as defined by the number of protons and the number of neutrons it contains.Synonymous with isotope n. in its broader sense, which the introduction of nuclide was intended to discourage in favour of the original stricter meaning of that word.

ΘΚΠ

the world > matter > chemistry > atomic chemistry > [noun] > atoms > specific types of atoms

functional group1892

species1895

hetero-atom1900

radio-atom1905

isobar1918

donor1927

impurity atom1939

nuclide1947

strong collider1968

the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [noun]

nuclide1947

radionuclide1947

1947 T. P. Kohman in Amer. Jrnl. Physics 15 356/2 There is at present no word in the English language to express the concept of a particular species of atom, differing from all others in the constitution of its nucleus... Nuclear species and the German Kernsorte..refer to nuclei rather than to atoms... In recent years the word isotope has come into use for this purpose, less by design than by default... Evidently a new word is required, and nuclide is proposed... The new word and its derivatives should be used in such expressions as ‘stable nuclides’..and ‘nuclidic weight’.

1955 R. D. Evans Atomic Nucleus xvi. 522 Because it is the only naturally occurring nuclide which undergoes fission by slow neutrons, U²³⁵ has attained international fame even in lay circles.

1967 Guardian 17 May 3/2 There was less Strontium-90 and Caesium-137 in milk last year... Levels of both nuclides were lower than at any time since 1962.

1971 Daily Colonist (Victoria, Brit. Columbia) 9 July 9/3 The nuclear explosive was designed to reduce the amount of residual tritium, a radioactive nuclide.

1991 Nucl. Energy June 133/2 It is of interest to note that the evidence of the mobility of radioactive nuclides can be obtained for periods of thousands of millions of years.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	nuclide
释义	nucliden. Brit. /ˈnjuːklʌɪd/, U.S. /ˈn(j)uˌklaɪd/ Forms: 1900s– nucleide, 1900s– nuclide. Origin: A borrowing from Greek, combined with an English element. Etymons: nucleus n., Greek εἶδος. Etymology: < nucleus n. + ancient Greek εἶδος form, kind (see eidos n.). Nuclear Physics. A distinct species of atom or nucleus, as defined by the number of protons and the number of neutrons it contains.Synonymous with isotope n. in its broader sense, which the introduction of nuclide was intended to discourage in favour of the original stricter meaning of that word. ΘΚΠ the world > matter > chemistry > atomic chemistry > [noun] > atoms > specific types of atoms functional group1892 species1895 hetero-atom1900 radio-atom1905 isobar1918 donor1927 impurity atom1939 nuclide1947 strong collider1968 the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [noun] nuclide1947 radionuclide1947 1947 T. P. Kohman in Amer. Jrnl. Physics 15 356/2 There is at present no word in the English language to express the concept of a particular species of atom, differing from all others in the constitution of its nucleus... Nuclear species and the German Kernsorte..refer to nuclei rather than to atoms... In recent years the word isotope has come into use for this purpose, less by design than by default... Evidently a new word is required, and nuclide is proposed... The new word and its derivatives should be used in such expressions as ‘stable nuclides’..and ‘nuclidic weight’. 1955 R. D. Evans Atomic Nucleus xvi. 522 Because it is the only naturally occurring nuclide which undergoes fission by slow neutrons, U²³⁵ has attained international fame even in lay circles. 1967 Guardian 17 May 3/2 There was less Strontium-90 and Caesium-137 in milk last year... Levels of both nuclides were lower than at any time since 1962. 1971 Daily Colonist (Victoria, Brit. Columbia) 9 July 9/3 The nuclear explosive was designed to reduce the amount of residual tritium, a radioactive nuclide. 1991 Nucl. Energy June 133/2 It is of interest to note that the evidence of the mobility of radioactive nuclides can be obtained for periods of thousands of millions of years. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1947
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