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nounelectric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricitytype of:
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nounlower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)
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nouna modified bud consisting of a thickened globular underground stem serving as a reproductive structure
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nounanything with a round shape resembling a teardroptype of:
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nouna rounded dilation or expansion in a canal or vessel or organ
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"the bulb of a syringe"nouna rounded part of a cylindrical instrument (usually at one end)
Definition that contains bulb
- garlic bulbous herb of southern Europe widely naturalized; bulb breaks up into separate strong-flavored cloves
- onion bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
- narcissus bulbous plant having erect linear leaves and showy yellow or white flowers either solitary or in clusters
- amaryllis bulbous plant having showy white to reddish flowers
- autumn crocus bulbous autumn-flowering herb with white, purple or lavender-and-white flowers; native to western and central Europe
- iris tingitana bulbous Spanish iris having blue flowers
- iris xiphium bulbous iris of western Mediterranean region having usually violet-purple flowers
- genus hippeastrum bulbous flowering plants of tropical America
- persian iris bulbous iris native to Asia Minor cultivated for its pale lilac-colored flowers
- colchicum autumnale bulbous autumn-flowering herb with white, purple or lavender-and-white flowers; native to western and central Europe