bulb
bulb /ˈbʌlb/
noun
-
()
Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
(
electric-light bulb
, incandescent lamp
, lightbulb
, bulb
, electric light
, light bulb
, light globe
[Australian, New Zeland] )
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
The light bulb in my bedroom stopped working, so I need to replace it
The light bulb in my bedroom stopped working, so I need to replace it
-
()
A modified bud consisting of a thickened globular underground stem serving as a reproductive structure
(
bulb
)
a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
I planted tulip bulbs in the fall, and now they're blooming beautifully
I planted tulip bulbs in the fall, and now they're blooming beautifully
-
()
A rounded part of a cylindrical instrument (usually at one end)
(
bulb
)
a rounded part of a cylindrical instrument (usually at one end)
The bulb of a syringe
the bulb of a syringe
-
A rounded dilation or expansion in a canal or vessel or organ
(
bulb
)
a rounded dilation or expansion in a canal or vessel or organ
-
Lower or hindmost part of the brain; continuous with spinal cord; (bulb' is an old term for medulla oblongata)
(
bulb
, medulla
, medulla oblongata
)
lower or hindmost part of the brain; continuous with spinal cord; (bulb' is an old term for medulla oblongata)
The medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning
the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning
-
Anything with a round shape resembling a teardrop
(
bulb
)
anything with a round shape resembling a teardrop