1. bulb

noun. (ˈbʌlb) A modified bud consisting of a thickened globular underground stem serving as a reproductive structure.
Synonyms
stem bulbil bulblet onion stalk shallot squill
Antonyms
misfortune bad luck natural object
Etymology
bulb (English)
bulbe (Middle French (ca. 1400-1600))
bulbus (Latin)
βολβός (Ancient Greek (to 1453))

2. bulb-shaped

adjective. Shaped like a bulb.
Synonyms
round bulblike bulbous circular
Antonyms
square angular praise bottom top

3. bulb

noun. (ˈbʌlb) Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity.
Synonyms
lightbulb filament electric-light bulb electric light incandescent lamp electric lamp light bulb
Antonyms
end misconception beginning middle connect
Etymology
bulb (English)
bulbe (Middle French (ca. 1400-1600))
bulbus (Latin)
βολβός (Ancient Greek (to 1453))

4. bulb

noun. (ˈbʌlb) A rounded part of a cylindrical instrument (usually at one end).
Synonyms
mercury-in-glass thermometer syringe part mercury thermometer portion
Antonyms
rear ride cortex inside outside
Etymology
bulb (English)
bulbe (Middle French (ca. 1400-1600))
bulbus (Latin)
βολβός (Ancient Greek (to 1453))

5. bulb

noun. (ˈbʌlb) A rounded dilation or expansion in a canal or vessel or organ.
Synonyms
anatomical structure bodily structure complex body part body structure structure
Antonyms
join stay attach unify arrive
Etymology
bulb (English)
bulbe (Middle French (ca. 1400-1600))
bulbus (Latin)
βολβός (Ancient Greek (to 1453))

6. bulb

noun. (ˈbʌlb) Lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata).
Synonyms
brainstem brain-stem medulla oblongata medulla brain stem neural structure respiratory center
Antonyms
stand still wholly good luck good fortune success
Etymology
bulb (English)
bulbe (Middle French (ca. 1400-1600))
bulbus (Latin)
βολβός (Ancient Greek (to 1453))

7. bulb

noun. (ˈbʌlb) Anything with a round shape resembling a teardrop.
Synonyms
round shape
Etymology
bulb (English)
bulbe (Middle French (ca. 1400-1600))
bulbus (Latin)
βολβός (Ancient Greek (to 1453))
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