watt
Pronunciation
Noun
B1 Intermediate
Quick answer
The unit used to measure how quickly energy is used or produced, often applied to the power of a light bulb or appliance.
Usage notes
Named after the Scottish engineer James Watt, much like the volt is named after Alessandro Volta.
Test yourself
Which word fits the gap? "The old light bulb used sixty _____, while its LED replacement uses less than ten."
Answer: watt
In your own words, what does "watt" mean?
The unit used to measure how quickly energy is used or produced, often applied to the power of a light bulb or appliance.
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