(communication, nautical) an emergency location radio beacon, used on ships

plural of emergency position indicating radio beacon

plural of software defined radio

plural of wind-up radio

A person who is skilled in or practices radiology.

Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.

Exhibiting radioactivity. / (figuratively, rare) Dangerous and disgusting, particularly of people or ideas.

Any radioactive substance.

An image, often a photographic negative, produced by radiation other than normal light; especially an X-ray photograph. / An instrument for measuring and recording solar radiation.

To produce a radiograph image.