Exradio

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Obsolete form of radon (“radon-222”), an isotope of radon (element 86). alt-of, obsolete, uncountable

Etymology

From Latin ex (“from”) + radio (“radium”).

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