watt /wɒt $ wɑːt/ BrE AmE ( written abbreviation W or w ) noun [countable]
[ Date: 1800-1900 ; Origin: James Watt ]
a unit for measuring electrical power:
a 100–watt bulb
watt /wɒt $ wɑːt/ BrE AmE ( written abbreviation W or w ) noun [countable]
[ Date: 1800-1900 ; Origin: James Watt ]
a unit for measuring electrical power:
a 100–watt bulb
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012