How To Pronounce Radius

radius

UK
Phonemic
/ˈreɪ.di.əs/
Phonetic
[ˈreɪ.di.əs]
US
Phonemic
/ˈreɪ.di.əs/

In British English, radius is pronounced /ˈreɪ.di.əs/. The narrow phonetic transcription is [ˈreɪ.di.əs]. In American English, it is pronounced /ˈreɪ.di.əs/.

Radius has three syllables, and the main stress falls on the first syllable. British and American speakers say it the same way.

Slashes / / show the phonemic transcription, the sounds that change meaning. Square brackets [ ] show the phonetic transcription, with the finer detail of how the sounds are actually made.

Syllables, Stress And Endings

Syllables And Stress

reɪdiəs

Radius has three syllables in British English, and the main stress is on the first syllable, shown in colour above. Its stress pattern is Ooo, where O is the stressed syllable.

radius + -s
-s (plural, possessive or singular verb) is /ɪz/ after /s, z, ʃ, ʒ, tʃ, dʒ/.
UK
/ˈreɪ.di.ə.sɪz/
US
/ˈreɪ.di.ə.sɪz/

Questions About Radius

How do you pronounce radius in British English?

In British English, radius is pronounced /ˈreɪ.di.əs/. The narrow phonetic transcription is [ˈreɪ.di.əs].

How do you pronounce radius in American English?

In American English, radius is pronounced /ˈreɪ.di.əs/.

How many syllables are in radius?

Radius has three syllables, /reɪ/ + /di/ + /əs/.

Where is the stress in radius?

The main stress is on the first syllable, /reɪ/.

Do British and American English pronounce radius the same way?

Yes. Both are /ˈreɪ.di.əs/.

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Other Words With The Stress Pattern Ooo

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