Webster’s Revised Unabridged Dictionary · 1913
Radio
Ra′di·o, a. Of or pertaining to, or employing, or operated by, radiant energy, specifically that of electric waves; hence, pertaining to, or employed in, radiotelegraphy.
Webster’s Revised Unabridged Dictionary · 1913
Ra′di·o, a. Of or pertaining to, or employing, or operated by, radiant energy, specifically that of electric waves; hence, pertaining to, or employed in, radiotelegraphy.