longwardadj.adv.

Brit.

/ˈlɒŋwəd/, U.S.

/ˈlɔŋwərd/,

/ˈlɑŋwərd/

Origin: Formed within English, by derivation. Etymons: long adj.¹, -ward suffix.

Etymology: < long adj.¹ + -ward suffix. Compare longwards adv.

Chiefly Astronomy.

A. adj.

Directed or occurring towards longer wavelengths; situated or occurring at longer wavelengths in a spectrum.

ΚΠ

1945 Astrophysical Jrnl. 102 348 Another Mn line, λ 4035.73, has a large longward shift (about 7 km/sec) due to an unknown cause.

1976 D. G. Hummer in A. Slettebak Be & Shell Stars 283 The longward side of the line is more transparent than the shortward side.

2006 Astron. Jrnl. 132 1763/2 Since the spectra of the two components are essentially indistinguishable, their velocities are tabulated simply as the ‘shortward’ or ‘longward’ component.

B. adv.

Towards longer wavelengths; on the long-wavelength side of.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > [adverb] > towards longer wavelengths

longward1946

longwards1954

1946 Publ. Astron. Soc. Pacific 58 305 This weakening is probably due to the strong TiO absorption which extends longward from the band head at λ 4421.

1974 Nature 22 Feb. 513/1 Since the first report of a diffuse ultraviolet background, there have been several measurements attempted, both longward and shortward of Lyman α.

2007 F. P. Mills et al. in L. W. Esposito et al. Exploring Venus as Terrestr. Planet 89/1 They cannot account for the absorption observed in the upper cloud at wavelengths longward of 320 nm.

This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022).

单词	longward
释义	longwardadj.adv. Brit. /ˈlɒŋwəd/, U.S. /ˈlɔŋwərd/, /ˈlɑŋwərd/ Origin: Formed within English, by derivation. Etymons: long adj.¹, -ward suffix. Etymology: < long adj.¹ + -ward suffix. Compare longwards adv. Chiefly Astronomy. A. adj. Directed or occurring towards longer wavelengths; situated or occurring at longer wavelengths in a spectrum. ΚΠ 1945 Astrophysical Jrnl. 102 348 Another Mn line, λ 4035.73, has a large longward shift (about 7 km/sec) due to an unknown cause. 1976 D. G. Hummer in A. Slettebak Be & Shell Stars 283 The longward side of the line is more transparent than the shortward side. 2006 Astron. Jrnl. 132 1763/2 Since the spectra of the two components are essentially indistinguishable, their velocities are tabulated simply as the ‘shortward’ or ‘longward’ component. B. adv. Towards longer wavelengths; on the long-wavelength side of. ΘΚΠ the world > matter > physics > electromagnetic radiation > [adverb] > towards longer wavelengths longward1946 longwards1954 1946 Publ. Astron. Soc. Pacific 58 305 This weakening is probably due to the strong TiO absorption which extends longward from the band head at λ 4421. 1974 Nature 22 Feb. 513/1 Since the first report of a diffuse ultraviolet background, there have been several measurements attempted, both longward and shortward of Lyman α. 2007 F. P. Mills et al. in L. W. Esposito et al. Exploring Venus as Terrestr. Planet 89/1 They cannot account for the absorption observed in the upper cloud at wavelengths longward of 320 nm. This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022). < adj.adv.1945
随便看	θ101411 θ101412 θ101413 θ101414 θ101415 θ101416 θ101417 θ101418 θ101419 θ10142 θ101420 θ101421 θ101422 θ101423 θ101424 θ101425 θ101426 θ101427 θ101428 θ101429 θ10143 θ101430 θ101431 θ101432 θ101433