D defs.my
Entry 1 sense Webster, 1913

Ozonation

/(ō`zō̇*nā"shŭn)/ · O·zo·na·tion · IPA
01 n. The act of treating with ozone; also, the act of converting into, or producing, ozone; ozonization.
  1. 1.
    The act of treating with ozone; also, the act of converting into, or producing, ozone; ozonization.(Chem.)