|part of speech:
||something that makes another thing larger or longer; addition.
They are building an extension to the old school building.
- similar words:
- accessory, branch, part, piece
||an extra amount of time.
The teacher gave her an extension on her homework.
||an extra telephone line connected to the main line.
Dial the number for the office and ask for Mr. Swan's extension.
||extensional (adj.), extensionality (n.)