Extension | Mean of extension in English Dictionary

/ɪkˈstɛnʃən/

• Noun
• the act of extending something: such as
• the act of making something longer or greater
1. extension of the patient's life
2. He's asking for a contract extension.
• the act of straightening or stretching something (such as an arm or a leg)
1. He did some leg extensions. [=exercises in which you extend your legs]
2. Make sure that the muscles get the proper amount of extension.

• extra time allowed for doing something
1. I missed the deadline but was granted an extension.
• something (such as an interest or activity) that develops from something else
1. Writing screenplays was a natural/logical extension of his career as a novelist and his longtime interest in film.
2. The new measures benefit taxpayers and, by extension, the economy.
3. He disliked authority and, by extension, all government officials.
• a part that is added on to something to make it larger or longer
1. They built an extension on their house.
2. a road extension
• an extra telephone that is connected to the main line
1. We've added another extension in our daughter's bedroom.
• a telephone number that connects to a particular extension
1. I dialed her extension, but she wasn't at her desk.
2. Extension 365, please.