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Learner's Dictionary
bulb
3 ENTRIES FOUND:
bulb
(noun)
dim bulb
(noun)
light bulb
(noun)
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bulb
/
ˈ
bʌlb/
noun
plural
bulbs
bulb
/
ˈ
bʌlb/
noun
plural
bulbs
Learner's definition of BULB
[
count
]
1
:
light bulb
a 100-watt
bulb
fluorescent
bulbs
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—
see also
dim bulb
2
:
a rounded part of some plants that is under the ground and that grows into a new plant during the growing season
tulip
bulbs
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see
color picture
on
this page
3
:
a part that has a rounded shape
the
bulb
of the thermometer/eyedropper
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