wave length meaning

• [Defence]
  The horizontal distance between successive wave crests measured perpendicular to the crest, usually expressed in feet.
  See also crest; wave; wave crest.
  (JP 4-01.6) wave-off

• at length:    Adverb: at lengthI ...
• length:    Noun: length  ...
• s wave:    [Medicine] n : the ...

Examples

1. the light is dispersed into its component wave lengths.
2. the spectrum is just an image of the star in various wave lengths.
3. the absorption is most effective for the shorter wave length rays.
4. each band represents a deviation of one half wave length of the applied light.
5. absorptivity, reflectivity and transmissivity depend upon the wave length of the radiant energy striking the surface and also upon the temperature of the surface.