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English definition of “watt”

watt

noun [C] uk   /wɒt/ us    /wɑːt/ (written abbreviation W)
the standard measure of electrical power: Do you want 60-watt light bulbs for this room?Units of electrical powerMiscellaneous units of measurement
wattage
noun [U] uk   /ˈwɒt.ɪdʒ/ us    /ˈwɑː.t̬ɪdʒ/
For lower wattage ovens, heating time must be increased.Units of electrical power
(Definition of watt from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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