bulb

US /bʌlb/
UK /bʌlb/
"bulb" picture
1.

bol

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

:
Plant the tulip bulb in the fall for spring blooms.
Plant de tulpenbol in de herfst voor lentebloemen.
Onions grow from bulbs.
Uien groeien uit bollen.
2.

gloeilamp, lamp

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

:
The light bulb in the lamp needs to be replaced.
De gloeilamp in de lamp moet worden vervangen.
He screwed the new bulb into the socket.
Hij draaide de nieuwe lamp in de fitting.
3.

bol, kogel

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

:
The thermometer has a small bulb at its tip.
De thermometer heeft een kleine bol aan zijn uiteinde.
The liquid is drawn into the pipette's bulb.
De vloeistof wordt in de bol van de pipet gezogen.