Inradius

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    the radius of the largest circle that will fit inside any given geometric shape, especially inside a regular polygon
  2. 2
    the radius of the largest sphere that will fit inside any given polyhedron

Etymology

From in- + radius.

Related phrases

regular polygon

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.