Definitions

1. noun

A device that adds carbon dioxide to a liquid, typically water, for the purpose of creating carbonated beverages, such as soda.

“The carbonator in the soda machine was malfunctioning, causing the drinks to come out flat.”

2. verb

To add carbon dioxide to a liquid, typically for the purpose of creating carbonated beverages.

“The bartender carbonated the water to create a refreshing sparkling drink.”