(ra-di-us) 3 syllables

Definition

noun. 1 a straight line from the center to the perimeter of a circle; 2 the outer and slightly shorter of the two bones of the human forearm; 3 a field or range of influence

Example Sentence

The radius of a circle is half the diameter.

Synonyms

half the diameter; r; line from center to perimeter of a circle

Antonyms

perimeter

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radius
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Rhymes

  • radius