Circumradius

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    For a given geometric shape, the radius of the smallest circle or sphere into which it will fit.

    "The circumradius of the unit square is one-half the square root of two."

Example

More examples

"The circumradius of the unit square is one-half the square root of two."

Etymology

From circum- + radius.

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