noun

extension

extension, prolongation, expansion, annexe

He asked for an extension on his project.

He asked for an extension on his project.

We are building an extension to our house.

We are building an extension to our house.

What's your phone extension?

What's your phone extension?

This is an extension of our previous work.

This is an extension of our previous work.

((an extension on sth.)) a longer period of time for sth. He asked for an extension on his project.

((an extension to sth.)) a new part added to a building We are building an extension to our house.

((phone extension)) an internal telephone line What's your phone extension?

((an extension of sth.)) a part that develops from sth. This is an extension of our previous work.

Synonyms: prolongation, addition, expansion; Antonyms: reduction

From Latin 'extensionem', from 'extendere' (to stretch out). The act of stretching out.

Think of an 'extension' cord used to make a cable longer. It's the noun form of 'extend'.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.