Variant of ozone
- an unstable, pale-blue gas, O, with a penetrating odor: it is an allotropic form of oxygen, formed usually by a silent electrical discharge in air, and is used as an oxidizing, deodorizing, and bleaching agent and in the purification of water
- Slang pure, fresh air
Origin: Fr from Glassical Greek ozein, to smell from Indo-European base an unverified form od- from source Classical Latin odor
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