inradius

[ in-rey-dee-uh s ]
/ ˈɪnˌreɪ di əs /

noun, plural in·ra·di·i [in-rey-dee-ahy] /ˈɪnˌreɪ diˌaɪ/, in·ra·di·us·es. Geometry.

the radius of the circle inscribed in a triangle.

Origin of inradius

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019