three-way bulb
[ three-wey ]
/ ˈθriˌweɪ /
noun
a light bulb that can be switched to three successive degrees of illumination.
Words nearby three-way bulb
three-toed sloth,
three-toed woodpecker,
three-valued,
three-wattled bellbird,
three-way,
three-way bulb,
three-wheeler,
threefold,
threep,
threepence,
threepenny