ozone, n.
(ozones)
freq. cnt. 3
(ozones)
freq. cnt. 3
a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)
<noun.substance> freq. cnt.: 3 freq. cnt.: 3
ozone