extension
an act or instance of extending, lengthening, stretching out, or enlarging the scope of something.
the state of being extended, lengthened, or stretched out.
that by which something is extended or enlarged; an addition: a four-room extension to a house.
an additional period of time given one to meet an obligation: My term paper wasn't finished so I asked for an extension.
something that is expandable or can be extended; an extended object: a table with drop-leaf extensions.
range or scope of extending; degree of extensiveness; extent: the extension of our knowledge.
an additional telephone that operates on the principal line.
Commerce. a written engagement on the part of a creditor, allowing a debtor further time to pay a debt.
Physics. that property of a body by which it occupies space.
Anatomy.
the act of straightening a limb.
the position that a limb assumes when it is straightened.
Surgery. the act of pulling the broken or dislocated part of a limb in a direction from the trunk, in order to bring the ends of the bone into their natural situation.
Also called extent. Logic. the class of things to which a term is applicable, as “the class of such beings as Plato and Alexander” to which the term “man” is applicable.: Compare intension (def. 5).
Mathematics. a function having a domain that includes the domain of a given function and that has the same value as the given function at each point in the domain of the given function.
Also called file extension. Computers. one or more characters at the end of a filename, usually following a period, used to indicate the type of file.
Manège. the act of bringing or coming into an extended attitude.
of or relating to extension courses.
Origin of extension
1Other words for extension
1 | stretching, expansion, enlargement, increase, dilation |
3 | lengthening, protraction, continuation |
4 | delay |
6 | limit |
Opposites for extension
Other words from extension
- ex·ten·sion·al·i·ty, ex·ten·sion·al·ism, noun
- ex·ten·sion·al, adjective
- ex·ten·sion·al·ly, adverb
- ex·ten·sion·less, adjective
- non·ex·ten·sion, noun
- non·ex·ten·sion·al, adjective
- pro·ex·ten·sion, adjective
- su·per·ex·ten·sion, noun
Words Nearby extension
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use extension in a sentence
After all, your fellow employees are an extension of your brand.
Five content promotion strategies SaaS marketers should implement today | Izabelle Hundrev | August 28, 2020 | Search Engine WatchIf you haven’t already done so, you can let your elected officials know just how important a PSP extension is to you, your families and our economic recovery.
American Airlines announces plan to cut 19,000 jobs—unless Congress extends pandemic aid | Maria Aspan | August 25, 2020 | FortuneSo the ads will be relevant to the web environment you’re currently consuming and consumers will feel more comfortable to convert, as they will see the ads as an extension of the content they are already looking at.
Five great display and video advertising tactics to increase relevance and revenue in a cookie-less world | Anastasia-Yvoni Spiliopoulou | August 24, 2020 | Search Engine WatchTreat your LinkedIn company page as an extension to your website.
What will make your brand stand out on LinkedIn in 2020? | Harikrishna Kundariya | August 12, 2020 | Search Engine WatchNone of the reporters and lawyers looking closely at the deal have presented evidence to show Shapery, and by extension Manchester, intentionally misled the city.
How the City Came to Lease a Lemon | Lisa Halverstadt and Jesse Marx | August 10, 2020 | Voice of San Diego
Self-marriage is the ultimate brand extension of a self-obsessed, selfish populus.
Why Singles Should Say ‘I Don’t’ to The Self-Marriage Movement | Tim Teeman | December 30, 2014 | THE DAILY BEASTLast year, it let an unemployment extension for the long-term jobless expire during the holidays.
To GOP Congress, as Usual, It’s Welfare on the Chopping Block | Monica Potts | December 25, 2014 | THE DAILY BEASTBut only for the family; inmates cannot be awarded more than $10,000 because of an extension of the Son of Sam Law.
It is also, by extension, a show about the cultural impact of religion.
The Good Wife’s Religion Politics: Voters Have No Faith in Alicia's Atheism | Regina Lizik | November 24, 2014 | THE DAILY BEASTWhat he meant was that he personally, and by extension all Christians, should not be judgmental.
And now let me come to the second problem we opened up in connection with college education—the problem of its extension.
The Salvaging Of Civilisation | H. G. (Herbert George) WellsIt was the well-known extension en seconde; a favourite trick among Parisian swordsmen of the Romantic school.
The Pit Town Coronet, Volume I (of 3) | Charles James WillsAnd it may safely be said that with its improvement, has arisen also the extension and wide spread practice of music generally.
Violins and Violin Makers | Joseph PearceAn octave coupler without such extension is incomplete and is no more honest than a stop which only goes down to Tenor C.
The Recent Revolution in Organ Building | George Laing MillerNo Briton rejoiced more sincerely than this provincial American in the extension of the Empire.
The Eve of the Revolution | Carl Becker
British Dictionary definitions for extension
/ (ɪkˈstɛnʃən) /
the act of extending or the condition of being extended
something that can be extended or that extends another object
the length, range, etc, over which something is extended; extent
an additional telephone set connected to the same telephone line as another set or other sets
a room or rooms added to an existing building
a delay, esp one agreed by all parties, in the date originally set for payment of a debt or completion of a contract
the property of matter by which it occupies space; size
the act of straightening or extending an arm or leg
its position after being straightened or extended
med a steady pull applied to a fractured or dislocated arm or leg to restore it to its normal position: See also traction (def. 3)
a service by which some of the facilities of an educational establishment, library, etc, are offered to outsiders
(as modifier): a university extension course
logic
the class of entities to which a given word correctly applies: thus, the extension of satellite of Mars is the set containing only Deimos and Phobos: Compare intension (def. 1a)
conservative extension a formal theory that includes among its theorems all the theorems of a given theory
Origin of extension
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for extension
[ ĭk-stĕn′shən ]
Mathematics A set that includes a given and similar set as a subset.
Computer Science A set of characters that follow a filename and are separated from it by a period, used to identify the kind of file.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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