Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
radio radiation | Yes | No | No | No |
ground wave | Yes | No | No | No |
radio radiation (noun) | ground wave (noun) |
---|---|
an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m | a radio wave propagated on or near the earth's surface |