longward(s, adv.
(ˈlɒŋwəd(z))
[f. long a.1 + -ward, or -wards.]
Towards longer wavelengths; on the long-wavelength side of.
| 1971 D. W. Sciama Mod. Cosmol. ix. 132 Because of the red shift the emission is spread out longwards of 21 cm. 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. |