(telephony) Alternative spelling of radiotelephone

plural of radio-telephone

(colloquial, derogatory, humorous) An ugly face.

Dramatized, purely acoustic performance, broadcast on radio or published on audio media, such as tape or CD.

plural of radio drama

(astronomy) The radius of an object such that, if all its mass were compressed within that radius, the escape velocity would equal the speed of light.

A form of non-ionizing radiation consisting of free neutrons.

Radiation that does not cause atmospheric ionization; electrically neutral radiation.

plural of radial engine

plural of radioactive fallout