Definition of radiophysics in US English:

radiophysics

noun

  • The branch of physics concerned with the properties and applications of ionizing radiation, especially in connection with diagnostic and therapeutic radiology; radiation physics.

noun

  • The branch of physics concerned with the properties and applications of radio waves.

Origin

Early 20th century; earliest use found in Kingston (New York) Daily Freeman. From radio- + physics<br>1920s. From radio- + physics. Compare earlier radiophysical, radiophysicist.

Pronunciation

radiophysics

/ˌreɪdɪəʊˈfɪzɪks/