Watt

/wɒt/

Meaning & Definition

noun

A unit of power in the International System of Units, equivalent to one joule per second, commonly used to quantify the rate of energy transfer.

The light bulb consumes 60 watts of power.

A measure of the rate at which electrical energy is transferred or converted.

This solar panel can produce up to 300 watts of electricity.

Used to describe electrical devices in terms of their power consumption.

The new microwave oven uses 1200 watts.

Colloquially, refers to the energy output of an engine or motor.

The car's engine generates 150 horsepower, which is roughly equivalent to 112 kW or about 150,000 watts.

Named after James Watt, 18th-century Scottish inventor.

watt's up:

A casual greeting or inquiry about what someone is doing.

watts of power:

Referring to the amount of energy capacity or consumption.

Watt as a playful inquiry about someone's knowledge or awareness.

Watt are you talking about?

Used in a context to express disbelief or confusion.

What? Watt did you say?