(ra-di-i) 3 syllables

Definition

noun. plural of radius 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

Example Sentence

She used a double radii in her math problem.

Synonyms

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

Antonyms

perimeter

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radii
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