(noun) 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)
Definitions for Good
(adverb) in a satisfactory way
(noun) something that provides happiness or does good for a person or thing
(noun) the state of doing well especially in relation to one's happiness or success