bulb

US /bʌlb/
UK /bʌlb/
"bulb" picture
1.

Zwiebel

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.
Pflanzen Sie die Tulpenzwiebel im Herbst für Frühlingsblüten.
Onions grow from bulbs.
Zwiebeln wachsen aus Zwiebeln.
2.

Glühbirne, Birne

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.
Die Glühbirne in der Lampe muss ersetzt werden.
He screwed the new bulb into the socket.
Er schraubte die neue Glühbirne in die Fassung.
3.

Kugel, Kolben

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.
Das Thermometer hat eine kleine Kugel an seiner Spitze.
The liquid is drawn into the pipette's bulb.
Die Flüssigkeit wird in den Kolben der Pipette gesaugt.