: the stretching of a fractured or dislocated limb so as to restore it to its natural position
: an unbending movement around a joint in a limb (such as the knee or elbow) that increases the angle between the bones of the limb at the joint compare flexionsense 4a
: a property whereby something occupies space
: an increase in length of time
specifically: an increase in time allowed under agreement or concession
: a program that geographically extends the educational resources of an institution by special arrangements (such as correspondence courses) to persons otherwise unable to take advantage of such resources
: a part constituting an addition
: a section or line segment forming an additional length
: an extra telephone connected to the principal line
: a length of natural or synthetic hair that is worn attached to one's natural hair
: a series of usually three or four characters following a dot at the end of the name of a computer file that specifies the file's format or purpose
: a mathematical set (such as a field or group) that includes a given and similar set as a subset
extension of the patient's life
He's asking for a contract extension.
Make sure that the muscles get the proper amount of extension.
I missed the deadline but was granted an extension.
Recent Examples on the WebApple was forced into a humbling extension of a deal with Qualcomm to supply iPhone modems until 2026.—Ewan Spence, Forbes, 29 Nov. 2023 By Summer Said Under the extension agreement reached between Israel and Hamas on Monday, the Gaza cease-fire will run until 7 a.m. local time on Thursday.—WSJ, 29 Nov. 2023 The two sides agreed to a two-day extension of the deal earlier this week, which is set to expire.—Mike Brest, Washington Examiner, 29 Nov. 2023 Wednesday's exchange comes as officials from Israel, the U.S. and Qatar negotiate a potential second extension of the current cease-fire.—Anders Hagstrom, Fox News, 29 Nov. 2023 The two sides have agreed to a 48-hour extension of the initial four-day pause in exchange for the release of 20 more Israeli hostages and 60 Palestinian prisoners.—Ruby Mellen, Washington Post, 28 Nov. 2023 So on weekends the couple flew to California, stayed with her uncle and took extension courses.—Alex Mayyasi, Smithsonian Magazine, 28 Nov. 2023 The movie has served as an extension of the global dominance of her tour, which has set its own concert sale records, catapulting Swift to a billion-dollar net worth.—Jonah Valdez, Los Angeles Times, 27 Nov. 2023 The Java grinder is an extension of that—a portable coffee grinder rugged enough to survive the zombie apocalypse or a bumpy ride to your favorite campsite.—Scott Gilbertson, WIRED, 27 Nov. 2023 See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'extension.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Middle English, from Late Latin extension-, extensio, from Latin extendere