Of or pertaining to radiology.

By means of, or in terms of, radiology.

Of or pertaining to radiation, radioactivity or nuclear weapons.

(medicine) The specialty of medical imaging and its interpretation, originally and especially radiography but now including all imaging modalities, including ones that use no radiation (such as ultrasonography and magnetic resonance imaging).

plural of radiological weapon

A weapon, often a bomb, designed to achieve injury or contamination of a target by dispersing harmful radioisotopes.