isotopyn.

Brit.

/ʌɪˈsɒtəpi/, U.S.

/ˈaɪsəˌtɑpi/,

/ˈaɪsəˌtoʊpi/,

/aɪˈsɑdəpi/

Etymology: < isotop- (in isotopic adj.) + -y suffix³.

The fact or condition of being isotopic.

ΘΚΠ

the world > matter > chemistry > elements and compounds > isotopes > [noun] > isotopy

isotopism1914

isotopy1914

1914 London, Edinb., & Dublin Philos. Mag. 6th Ser. 28 839 The stability of RaG and its isotopy with lead.

1919 F. Soddy in Jrnl. Chem. Soc. 115 18 Its [sc. actinium's] definite location in the periodic table, by virtue of its isotopy with mesothorium-2.

1925 J. Joly Surface-hist. Earth ix. 150 Isotopy is not peculiar to the uranium and thorium groups of elements.

1926 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity xvi. 125 (heading) Isotopy and the displacement laws in the light of atomic constitution.

1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) VII. 291/2 The occurrence and degree of isotopy among the 83 elements that are found in nature in significant amounts have been ascertained by means of mass spectrometer studies.

Derivatives

ˈisotopism n. (in the same sense).

ΘΚΠ

the world > matter > chemistry > elements and compounds > isotopes > [noun] > isotopy

isotopism1914

isotopy1914

1914 F. Soddy Chem. Radio-elem. ii. 17 The new data are the isotopism of mesothorium ii and actinium, and of radio-actinium and thorium.

1938 Chem. Abstr. 32 8925 Evidence is offered that the discovery of the existence of isotopism in nonradioactive elements is another confirmation of O.'s nuclear law of 4.

This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022).

单词	isotopy
释义	isotopyn. Brit. /ʌɪˈsɒtəpi/, U.S. /ˈaɪsəˌtɑpi/, /ˈaɪsəˌtoʊpi/, /aɪˈsɑdəpi/ Etymology: < isotop- (in isotopic adj.) + -y suffix³. The fact or condition of being isotopic. ΘΚΠ the world > matter > chemistry > elements and compounds > isotopes > [noun] > isotopy isotopism1914 isotopy1914 1914 London, Edinb., & Dublin Philos. Mag. 6th Ser. 28 839 The stability of RaG and its isotopy with lead. 1919 F. Soddy in Jrnl. Chem. Soc. 115 18 Its [sc. actinium's] definite location in the periodic table, by virtue of its isotopy with mesothorium-2. 1925 J. Joly Surface-hist. Earth ix. 150 Isotopy is not peculiar to the uranium and thorium groups of elements. 1926 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity xvi. 125 (heading) Isotopy and the displacement laws in the light of atomic constitution. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) VII. 291/2 The occurrence and degree of isotopy among the 83 elements that are found in nature in significant amounts have been ascertained by means of mass spectrometer studies. Derivatives ˈisotopism n. (in the same sense). ΘΚΠ the world > matter > chemistry > elements and compounds > isotopes > [noun] > isotopy isotopism1914 isotopy1914 1914 F. Soddy Chem. Radio-elem. ii. 17 The new data are the isotopism of mesothorium ii and actinium, and of radio-actinium and thorium. 1938 Chem. Abstr. 32 8925 Evidence is offered that the discovery of the existence of isotopism in nonradioactive elements is another confirmation of O.'s nuclear law of 4. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022). < n.1914
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