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bulb Synonyms
Another word for bulb
Looking for synonyms for bulb? Sourced from our comprehensive thesaurus, here is a list of similar words and another word for bulb, organized by relevance and context.
• noun (Context 1)
A glass envelope containing a vacuum or inert gas and a light-emitting element, designed to produce illumination; a lightbulb.
Usage Example
"She climbed the stepladder to replace the burnt-out lamp in the kitchen ceiling fixture."
Strong
lamp
Weak
globe
• noun (Context 2)
A rounded, fleshy underground storage organ of certain plants, such as onions or tulips, that enables survival and dormancy during adverse weather conditions.
Usage Example
"We spent the cool autumn afternoon planting daffodil bulbs so they would bloom beautifully in early spring."
Weak
corm
tuber
• noun (Context 3)
Any structure or part resembling a rounded swelling, such as the expanded reservoir at the base of a thermometer.
Usage Example
"The red alcohol expanded upward from the swelling of the thermometer as the room temperature slowly rose."
Weak
swelling
nodule
protuberance
Cite this Entry
Wordmom. (2026). Synonyms for Bulb. In Wordmom Thesaurus. Retrieved Oct 16, 2026, from https://wordmom.com/synonyms/bulb