English-English Dictionary

Meaning of the word bulb in English

What does bulb mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

bulb

US /bʌlb/
UK /bʌlb/
"bulb" picture

Noun

1.

a rounded, swollen part of the stem of some plants, such as the onion or tulip, that stores food and from which a new plant grows

Example:
•
Plant the tulip bulb in the fall for spring blooms.
•
Onions grow from bulbs.
Synonym:
corm tuber
2.

a glass globe containing a filament that glows when electricity is passed through it, used for lighting

Example:
•
The light bulb in the lamp needs to be replaced.
•
He screwed the new bulb into the socket.
Synonym:
lightbulb lamp
3.

a rounded part of a glass tube, such as the end of a thermometer or a pipette

Example:
•
The thermometer has a small bulb at its tip.
•
The liquid is drawn into the pipette's bulb.
Synonym:
globe sphere chamber
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Related Word:
light bulb light bulb moment