A filament surrounded by glass which is screwed into the socket of a lamp and which emits light when supplied with current.
a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe"
a rounded dilation or expansion in a canal or vessel or organ
a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
a glass bulb containing a wire filament (usually tungsten) that emits light when heated
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 funtioning"
electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated
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"
a rounded part of a cylindrical instrument (usually at one end)
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)
