Definition of radiometal in English:

radiometal

noun

  • Also with capital initial. Any of a group of alloys consisting largely of nickel and iron (typically between 35 and 48 per cent nickel), noted for their high magnetic permeability.

noun

  • Biochemistry. A radioactive metallic element or atom.

Origin

1930s; earliest use found in Journal of Scientific Instruments. From radio- + metal. The alloys were apparently so named on account of their frequent use in transformer cores for radios<br>1960s. From radio- + metal.

Pronunciation

radiometal

/ˈreɪdɪəʊˌmɛtl/