radio-

ra·di·o-

prefix

radiation, radioactive

“e.g. radiobicipital”

OriginLatin radius →
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Meanings

prefix

alternative radi- · alternative rad-

  1. radiation, radioactive

    e.g. radiotherapy, radioactinium, radiolucent

  2. radio (broadcasting)

    e.g. radiotelemetry, radioacoustics, radiotelegraph

  3. anatomyradius (bone)

    e.g. radiobicipital

  4. geometryradius

    e.g. radiosymmetrical

Origin

  1. Latinradius“ray”
  2. Englishradio-

Derived from Latin radius (“ray”). By surface analysis, clipping of radiation + -o-.

More words from Latin

Full word history & related roots →

Translations

Catalan radio-, radio-
  • radio-radiation
  • radio-radio, broadcasting
Finnish radio-, radio-
  • radio-radiation
  • radio-radio, broadcasting
French radio-, radio-
  • radio-radiation
  • radio-radio, broadcasting
German radio-, funk-
  • radio-radiation
  • funk-radio, broadcasting
  • radio-radio, broadcasting
Greek ραδιο-, ραδιο-
  • ραδιο- (radio-)radiation
  • ραδιο- (radio-)radio, broadcasting
Latin radio-
  • radio-radiation
Polish radio-, radio-
  • radio-radiation
  • radio-radio, broadcasting
Portuguese radio-, radio-
  • radio-radiation
  • radio-radio, broadcasting
Romanian radio-, radio-
  • radio-radiation
  • radio-radio, broadcasting
Russian радио-, радио-
  • радио- (radio-)radiation
  • радио- (radio-)radio, broadcasting
Spanish radio-, radio-
  • radio-radiation
  • radio-radio, broadcasting

Rhymes & wordplay

Sounds the same

radio
Cite this entry
APA

radio-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/radio-

MLA

“radio-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/radio-. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “radio-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/radio-.

Source: radio- on Wiktionary, CC BY-SA 4.0.