radi-

combining form
variants: or radio-

Definition of radi-

1 : radiant energy : radiation
  • radioactive
  • radiopaque
2 : radioactive
  • radioelement
3 : radium : X-rays
  • radiotherapy
4 : radioactive isotopes especially as produced artificially
  • radiocarbon
5 : radio
  • radiotelegraphy
6 : radius bone
  • radio-ulna

Origin and Etymology of radi-

French, from Latin radius ray


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