half-integern.

Brit.

/ˌhɑːfˈɪntᵻdʒə/, U.S.

/ˌhæfˈɪn(t)ədʒər/

Origin: Formed within English, by compounding. Etymons: half adj., integer n.

Etymology: < half adj. + integer n.

Mathematics.

Any member of the set of numbers obtained by dividing the odd integers by two.

ΘΠ

the world > relative properties > number > mathematical number or quantity > [noun] > produced in a certain way > other

residue class1904

digital root1917

1848 T. G. Taylor Astron. Observ. Honorable E. India Company's Observatory App. 21 The weights assigned are derived from those given in the register by dividing by 7, and taking the nearest integer or half-integer.

1928 Proc. Physical Soc. 40 332 The number m can take only certain discrete values (either integers or half-integers).

1971 P. Hlawiczka Introd. Quantum Electronics xvi. 247 The quantum numbers j₁ and j₂ may be either integers or half integers.

2010 Publ. Astron. Soc. Pacific 122 340/2 The sums of powers of integers (or half-integers) can be found from well-known formulae.

This entry has been updated (OED Third Edition, December 2022).

half-integer n. any member of the set of numbers obtained by dividing the odd integers by two.

ΚΠ

1928 Proc. Physical Soc. 40 332 The number m can take only certain discrete values (either integers or half-integers).

1971 P. Hlawiczka Introd. Quantum Electronics xvi. 247 The quantum numbers j₁ and j₂ may be either integers or half integers.

单词	half-integer
释义	half-integern. Brit. /ˌhɑːfˈɪntᵻdʒə/, U.S. /ˌhæfˈɪn(t)ədʒər/ Origin: Formed within English, by compounding. Etymons: half adj., integer n. Etymology: < half adj. + integer n. Mathematics. Any member of the set of numbers obtained by dividing the odd integers by two. ΘΠ the world > relative properties > number > mathematical number or quantity > [noun] > produced in a certain way > other residue class1904 digital root1917 1848 T. G. Taylor Astron. Observ. Honorable E. India Company's Observatory App. 21 The weights assigned are derived from those given in the register by dividing by 7, and taking the nearest integer or half-integer. 1928 Proc. Physical Soc. 40 332 The number m can take only certain discrete values (either integers or half-integers). 1971 P. Hlawiczka Introd. Quantum Electronics xvi. 247 The quantum numbers j₁ and j₂ may be either integers or half integers. 2010 Publ. Astron. Soc. Pacific 122 340/2 The sums of powers of integers (or half-integers) can be found from well-known formulae. This entry has been updated (OED Third Edition, December 2022). > as lemmas half-integer half-integer n. any member of the set of numbers obtained by dividing the odd integers by two. ΚΠ 1928 Proc. Physical Soc. 40 332 The number m can take only certain discrete values (either integers or half-integers). 1971 P. Hlawiczka Introd. Quantum Electronics xvi. 247 The quantum numbers j₁ and j₂ may be either integers or half integers. extracted from half-comb. form < n.1848 as lemmas
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half-integern.

> as lemmas