Definition of redward in US English:

redward

adjective

Physics
  • Situated towards the red end of the visible spectrum; occurring in the direction of the red end.

adverb

Physics
  • Towards the red end of the visible spectrum; in the direction of the red end.

Origin

Late 19th century; earliest use found in Proceedings of the Royal Society of London. From red + -ward. With use as adverb compare slightly earlier redwards.

Pronunciation

redward

/ˈrɛdwəd/