English Reference

Word

watt

US/ˈwɑt/

UK/wˈɒt/

Definition

n. a unit that measures how much power an electrical device uses.

n. the International System of Units (SI) unit of power, defined as one joule per second.

Examples

“This lamp uses a sixty-watt bulb.”

“The new solar panels can generate several thousand watts of power during peak sunlight hours.”

“Engineers must calculate the total wattage of all connected appliances to ensure the circuit can handle the load without tripping the breaker.”

Examples

simple

“This lamp uses a sixty-watt bulb.”

contextual

“The new solar panels can generate several thousand watts of power during peak sunlight hours.”

complex

“Engineers must calculate the total wattage of all connected appliances to ensure the circuit can handle the load without tripping the breaker.”

Usage

Usually abbreviated as 'W' in technical contexts; often used with SI prefixes like kilo- or mega-.

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated
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Technical

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English Reference