sky wave
noun
: a radio wave that is propagated by means of the ionosphere
Word History
First Known Use
1924, in the meaning defined above
- thorny oyster
- thorny-backed eel
- thoro
- thorogummite
- thorons
- thorough
- thorough light
- thorough lights
- thorough-band
- thorough-bind
- thorough-paced
- thorough-stitch
- thorough-stitched
- thoroughbass
- thoroughbasses
- thoroughbrace
- thoroughbraces
- thoroughbred
- thoroughbreds
- thorougher
- thoroughest
- thoroughfare
- thoroughfares
- thoroughfoot
- thoroughgoing