noun an extra telephone connected to the main line
In construction, an extension refers to a part of a building that is added on to extend the existing structure.
In business, an extension can refer to a deadline extension or an extension of a contract or agreement.
In education, an extension can refer to additional coursework or projects that go beyond the standard curriculum.
In the context of software, an extension is a software component that adds specific features or functionalities to an existing application.
An extension is a suffix added to the filename of a computer file to indicate the format or type of the file.
In the context of a writer, 'extension' can refer to adding extra content to a piece of writing to provide more depth or detail.
In psychology, 'extension' can refer to the process of extending a therapy session or treatment plan to address additional issues or concerns raised by the client.
For software developers, 'extension' can refer to adding new features or functionality to an existing software application.
In marketing, 'extension' can refer to extending the reach of a campaign or promotion to new target audiences or markets.
In architecture, 'extension' can refer to adding new structures or components to an existing building to expand its functionality or capacity.