extension
US /ɪkˈsten.ʃən/
UK /ɪkˈsten.ʃən/
1.
the act of making something longer or larger
:
•
The company announced an extension of its warranty period.
•
We requested an extension to submit the report.
2.
a part that is added to something to make it longer or larger
:
•
The house has a new extension at the back.
•
She used an electrical extension cord to reach the outlet.
3.
a telephone connected to the main line but having a different number
:
•
Please dial extension 205 for customer service.
•
I'm on extension 312.