bulb
US /bʌlb/
Definition
a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
Tested in TOEIC business and workplace contexts.
Examples
The maintenance team replaced the broken bulb in the hallway lamp.
Word Family
NounNoun
bulb gốc
VerbVerb
—
AdjectiveAdj
bulbar
bulbous
bulblike
AdverbAdv
—
Synonyms
- lightbulbelectric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
- lampan artificial source of visible illumination
Collocations
- Easy replace light bulb quicklyto replace light bulb quickly, meaning to substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)
- Medium install energy efficient LED bulbsto install energy efficient LED bulbs, meaning to set up for use
- Hard speculation in rare flower bulbsdescribing speculation in rare flower bulbs (a message expressing an opinion based on incomplete evidence)
- Very Hard a light bulb goes off suddenlyreferring to a light bulb goes off suddenly
Learner's English edition · Curated definitions for TOEIC learners.