Wordwyrt

radius

/ˈɹeɪdiəs/RAY-dee-uhs
/ˈɹeɪdiəs/RAY-dee-uhs

Meaninga spoke

Common meaning: a line from the centre to the edge of a circle

Journey through time

  1. Latinradius‘a rod, spoke’
  2. Englishradius‘a line from the centre to the edge of a circle’ · today

radi also in: radiantradiateray

Sources & notes

Meaning: “Meaning” is the sense that emerges from the word’s roots; “Common meaning” is today’s everyday sense. Both written by us.

Pronunciation

  • UK IPA: converted from the US form by rule (unchecked). Respelling: generated.
  • No UK recording; the speaker uses your device’s en-GB voice.
  • US IPA: CMUdict (BSD-2), converted to IPA by rule. Respelling: generated.
  • No US recording; the speaker uses your device’s en-US voice.

Origin: Built on Latin radius ‘a rod, spoke; a ray’.

Did you know: our wording, based on Lewis & Short, Latin Dictionary (1879), entry radius, p. 1521 · dictionary scan; Skeat, Etymological Dictionary (1898), entry RAY, p. 493 · dictionary scan

Roots

  • radius Latin “a rod, spoke; a ray”

Related words

radiantradiateray

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