Watt is a unit of electrical power in the International System of Units, equal to one joule per second. It also refers to the power rating of devices. In everyday speech, the word is pronounced as a single, short syllable with a rounded /ɒ/ or /ɑ/ vowel depending on accent, followed by a /t/; in some dialects the vowel can approach the /ɒ/ or /ɑː/ quality. The term is widely used in science, engineering, and consumer electronics discussions.
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