extension

US /ɪkˈstɛnʃən/

UK /ɪkˈstenʃn/

B1TOEIC
n.NounAddition to something, e.g. a house
The school added an extension because of the new students
n.NounSuffix code of a computer file, e.g. .pdf, .jpg
You have to save it with a .jpg extension
n.NounTelephone for individual person, e.g. In an office
If you want to reach me, dial the main phone number and then my extension
n.NounSomething added to the end of something
If you have short hair, you can add an extension to make it look longer
adj.AdjectiveAdding extra length
The extension cord will reach from the lamp to the outlet
n.NounExtra time allowed to complete something
The student asked for an extension on the paper
n.NounThe range or scope of something.
The company has a wide extension of products.
n.NounA piece of false hair that is attached to a person's own hair to make it longer or thicker.
She added hair extensions for a longer hairstyle.
n.NounThe straightening of a limb.
The extension of his arm allowed him to reach the top shelf.
n.NounThe continuation of a line, surface, or solid.
The extension of the line segment created a longer line.
n.NounThe act of making something continue for a longer period of time.
The government announced an extension of the tax break.

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