Definitions

1. noun

A colorless, pungent gas that forms a layer in the stratosphere and absorbs ultraviolet radiation.

“The ozone layer is crucial for protecting us from the sun’s harmful ultraviolet rays.”

2. verb

To treat or process something with ozone or ozone gas, especially in order to clean or disinfect it.

“The doctor used an ozone machine to disinfect the wound.”

3. noun

A layer or area of ozone in the atmosphere, especially one that is formed over a city or industrial area.

“The ozone pollution in the city is a major environmental concern.”

4. noun

A type of electrical discharge, especially one that occurs when a high-voltage electrical arc strikes a gas such as air or ozone.

“The ozone spark was visible in the night sky after the lightning strike.”