how to pronounce radius


audio example by a male speaker

audio example by a female speaker

the above transcription of radius is a detailed (narrow) transcription according to the rules of the International Phonetic Association; you can find a description of each symbol by clicking the phoneme buttons in the secction below.

radius is pronounced in three syllables

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example pitch curve for pronunciation of radius


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video examples of radius pronunciation

An example use of radius in a speech by a native speaker of american english:

“… ten-mile radius now this is all done on …”

meanings of radius


  1. The length of this line segment.
  2. Anything resembling a radius, such as the spoke of a wheel, the movable arm of a sextant, or one of the radiating lines of a spider's web.
  3. Initialism of Remote Authentication Dial-In User Service.
  4. The long bone in the forearm, on the side of the thumb.
  5. The lighter bone (or fused portion of bone) in the forelimb of an animal.
  6. One of the major veins of the insect wing, between the subcosta and the media; the vein running along the costal edge of the discal cell.
  7. A line segment between any point of a circle or sphere and its center.

radius frequency in english - C2 level of CEFR

the word radius occurs in english on average 2.7 times per one million words; this frequency warrants it to be in the study list for C2 level of language mastery according to CEFR, the Common European Framework of Reference.

topics radius can be related to

it is hard to perfectly classify words into specific topics since each word can have many context of its use, but our machine-learning models believe that radius can be often used in the following areas:

1) life, nature, and living environment;

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