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单词 non-vanishing
释义

non-vanishingadj.n.

Brit. /nɒnˈvanᵻʃɪŋ/, U.S. /nɑnˈvænɪʃɪŋ/
Origin: Formed within English, by derivation. Etymons: non- prefix, vanishing adj.
Etymology: < non- prefix + vanishing adj. (compare sense 2 s.v.).
Mathematics and Physics.
Not becoming zero; not equal to zero.
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the world > relative properties > number > mathematical number or quantity > [adjective] > zero > not zero
non-vanishing1878
non-zero1879
1878 Amer. Jrnl. Math. 1 85 Thus, as many distinct non-vanishing forms as there may be of ∑T, so many different graphs to the quint-invariant of a binary octodecadic shall we able to construct.
1907 M. Bôcher Introd. Higher Algebra v. 54 The non-vanishing r-rowed determinant stands in the upper left-hand corner of the matrix.
1922 G. N. Watson Treat. Theory Bessel Functions xix. 636 Schlömilch series with non-vanishing coefficients.
1956 Physical Rev. 104 257/1 The particle has a nonvanishing spin.
1988 Sci. Amer. May 86/1 There is no evidence for any spacetime distortions due to a nonvanishing cosmological constant out to the farthest distances accessible to astronomers.
1999 Proc. National Acad. Sci. U.S.A. 96 9984/2 The nonvanishing of the resistivity is indicative of a lack of phase coherence.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.n.1878
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