Word.ws English Dictionary

radi-

Syllables: ra·di-UK/ˌɹeɪ̯.diː-/US/ˌɹeɪ̯.di-/

radi- is the alternative form of radio-.

radi- is the alternative form of radic-.

Meaning of radio-

Prefix

radio-

  1. radiation, radioactive
    • e.g. radiotherapy, radioactinium, radiolucent
  2. radio (broadcasting)
    • e.g. radiotelemetry, radioacoustics, radiotelegraph
  3. radius (bone)
    • e.g. radiobicipital
  4. radius
    • e.g. radiosymmetrical

Origin of radi-

Derived from Latin radius, radiī.

Derived from Latin rādīx, rādīcis.

Questions about radi-

What is radi- the alternative form of?
Radi- is the alternative form of radio-.
How do you pronounce radi-?
Radi- is pronounced /ˌɹeɪ̯.diː-/ (UK).

Words near radi- in the dictionary

  1. Radhanites
  2. Radhesh
  3. Radhi
  4. radhuni
  5. Radi
  6. radi-
  7. radiabilities
  8. radiability
  9. radiable
  10. radiad
  11. radiaesthesia

Source and license

Adapted from Wiktionary: radi- (page history and authors); radio- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “radi-.” Word.ws, https://word.ws/radi-. Based on Wiktionary, CC BY-SA 4.0.