pneumatic

Definition

Powered by or filled with compressed air or gas—the reason your drill doesn't need batteries and jackhammers make that delightful rat-a-tat-tat sound. If it runs on pressurized air instead of electricity, it's pneumatic.

Example Usage

The construction crew's pneumatic tools made enough noise to violate three noise ordinances simultaneously.

Source: Merriam-Webster via Free Dictionary API

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