Definition that contains radio wave
- radio transmit messages via radio waves
- microwave a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data
- carrier a radio wave that can be modulated in order to transmit a signal
- wireless transmission by radio waves
- infrared electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
- infrared having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
- seeker a missile equipped with a device that is attracted toward some kind of emission (heat or light or sound or radio waves)
- quasar a starlike object that may send out radio waves and other forms of energy; many have large red shifts
- kennelly United States electrical engineer noted for his work on the theory of alternating currents; independently of Oliver Heaviside he discovered the existence of an atmospheric layer that reflects radio waves back to earth (1861-1939)
- heaviside English physicist and electrical engineer who helped develop telegraphic and telephonic communications; in 1902 (independent of A. E. Kennelly) he suggested the existence of an atmospheric layer that reflects radio waves back to earth (1850-1925)