perturbativelyadv.

Brit.

/pəˈtəːbətᵻvli/,

/ˈpəːtəbeɪtᵻvli/, U.S.

/pərˈtərbədᵻvli/,

/ˈpərdərˌbeɪdᵻvli/

Origin: Formed within English, by derivation. Etymons: perturbative adj., -ly suffix².

Etymology: < perturbative adj. + -ly suffix².

Physics.

By means of a perturbation (perturbation n. 4b); using perturbation theory.

ΘΚΠ

the world > relative properties > number > algebra > [adverb] > involving or with reference to equations

really1706

simultaneously1814

equationally1881

quadratically1928

perturbatively1955

1955 Proc. Royal Soc. A. 231 240 The hydrodynamical Hamiltonian has been treated perturbatively using an expansion in inverse powers of the square root of the sound velocity.

1986 P. C. West Introd. Supersymmetry & Supergravity xvii. 165 To perturbatively quantize the theory we must add a gauge-fixing term.

2000 Proc. National Acad. Sci. U.S.A. 97 2971/2 These expressions can be calculated perturbatively, as we now describe.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	perturbatively
释义	perturbativelyadv. Brit. /pəˈtəːbətᵻvli/, /ˈpəːtəbeɪtᵻvli/, U.S. /pərˈtərbədᵻvli/, /ˈpərdərˌbeɪdᵻvli/ Origin: Formed within English, by derivation. Etymons: perturbative adj., -ly suffix². Etymology: < perturbative adj. + -ly suffix². Physics. By means of a perturbation (perturbation n. 4b); using perturbation theory. ΘΚΠ the world > relative properties > number > algebra > [adverb] > involving or with reference to equations really1706 simultaneously1814 equationally1881 quadratically1928 perturbatively1955 1955 Proc. Royal Soc. A. 231 240 The hydrodynamical Hamiltonian has been treated perturbatively using an expansion in inverse powers of the square root of the sound velocity. 1986 P. C. West Introd. Supersymmetry & Supergravity xvii. 165 To perturbatively quantize the theory we must add a gauge-fixing term. 2000 Proc. National Acad. Sci. U.S.A. 97 2971/2 These expressions can be calculated perturbatively, as we now describe. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < adv.1955
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