How to Pronounce Radius

To pronounce "radius", say RAD-ius — 2 syllables, IPA /ˈɹeɪ.di.əs/. Tap play below to hear it in four English accents, or practice it syllable by syllable.

radius

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Accent

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2

Syllables

6

Letters

/ˈɹeɪ.di.əs/

IPA

💡 Tip for remembering “radius”

"radius" has 2 syllables: rad-ius. It rhymes with radious, if that helps it stick.

What does radius mean?

noun

  1. The long bone in the forearm, on the side of the thumb.
  2. The lighter bone (or fused portion of bone) in the forelimb of an animal.

Synonyms

R

Words that rhyme with radius

Practicing rhymes trains the same ending sounds.

radious

Related words

spokerturfx-rayglimmerbrightradialrayon

Frequently asked questions

How many syllables are in "radius"?▾

"Radius" has 2 syllables: rad · ius.

What is the IPA transcription of "radius"?▾

The IPA transcription of "radius" is /ˈɹeɪ.di.əs/.

What does "radius" mean?▾

Radius: The long bone in the forearm, on the side of the thumb.

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