Extention vs. Extension — Which is Correct Spelling?
By Tayyaba Rehman — Updated on March 18, 2024
"Extention" is the incorrect spelling, while "Extension" is the correct one. Extension refers to the act of extending or lengthening.
Table of Contents
Which is correct: Extention or Extension
How to spell Extension?
Extention
Incorrect Spelling
Extension
Correct Spelling
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Key Differences
"TEN" is a simple word, but "Extension" has a "SION" at the end, not "TION."
Visualize an "extension cord" and focus on the "sion" at the end.
Associate with the word "expansion" – both have "sion" endings.
Remember the word "sion" as a common suffix, like in "decision" or "compression."
Think of "tension" which uses "sion," and "extension" is just adding an "ex" to it.
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How Do You Spell Extension Correctly?
Incorrect: The project needs an extention of its deadline.
Correct: The project needs an extension of its deadline.
Incorrect: We're building an extention to the house.
Correct: We're building an extension to the house.
Incorrect: This cable is too short; do you have an extention?
Correct: This cable is too short; do you have an extension?
Incorrect: The university offers an extention program for adult learners.
Correct: The university offers an extension program for adult learners.
Incorrect: The teacher offered an extention for the assignment.
Correct: The teacher offered an extension for the assignment.
Extension Definitions
Extension is the act of making something longer or covering a larger area.
The house underwent an extension to add more rooms.
Extension is a continuation of a telephone line to a further point.
She answered the call from the kitchen extension.
Extension refers to a part that is added to something to enlarge or prolong it.
We added an extension to the dining table for extra guests.
In computing, an extension denotes a set of characters added to a file name to determine its format.
The image had a .jpg extension.
The act of extending or the condition of being extended
The extension of the subway into the suburbs.
The amount, degree, or range to which something extends or can extend
The wire has an extension of 50 feet.
The act of straightening or extending a limb.
The position assumed by an extended limb.
A length of human or synthetic hair attached to the scalp or to strands of hair close to the scalp to add volume, length, or color.
(Medicine) The application of traction to a fractured or dislocated limb to restore the normal position.
An addition that increases the area, influence, operation, or contents of something
An extension for the vacuum cleaner.
Built a new extension onto the hospital wing.
An additional telephone connected to a main line.
An allowance of extra time, as for the repayment of a debt.
The period of this extra time
Three months' extension on the loan.
The property of an object by which it occupies space.
A program in a university, college, or school offering academic instruction to nontraditional students, such as working adults, who cannot attend classes at the usual place and time.
A publicly funded program offering such instruction along with information on agriculture, home economics, and business.
(Computers) A set of characters that follow a filename and are separated from it by a period, used to identify the kind of file
In most operating systems, filenames having the extension .EXE are executable files.
(Logic) The class of objects designated by a specific term or concept; denotation.
(Mathematics) A set that includes a given and similar set as a subset.
The act of extending; a stretching out; enlargement in length, breadth, or time; an increase
Next month the house is undergoing an extension.
Due to the unforeseen circumstances, you are allowed an extension of two weeks to complete the task.
The state of being extended
That property of a body by which it occupies a portion of space (or time, e.g. "spatiotemporal extension")
A part of a building that has been extended from the original
(semantics) Capacity of a concept or general term to include a greater or smaller number of objects; — correlative of intension.
Semantic widening, broadening of meaning
A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.
(medicine) The operation of stretching a broken bone so as to bring the fragments into the same straight line.
(weightlifting) An exercise in which an arm or leg is straightened against resistance.
(fencing) A simple offensive action, consisting of extending the weapon arm forward.
(telecommunication) A numerical code used to specify a specific telephone in a telecommunication network.
(computing) A file extension.
Files with the .txt extension usually contain text.
(computing) An optional software component that adds functionality to an application.
A browser extension
(logic) The set of tuples of values that, used as arguments, satisfy the predicate.
(grammar) A kind of derivative morpheme applied to verbs in Bantu languages.
(education) University programs that are targeted at the broader (usually adults) community whose participants are not full-time enrolled students.
The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.
That property of a body by which it occupies a portion of space.
Capacity of a concept or general term to include a greater or smaller number of objects; - correlative of intension.
The law is that the intension of our knowledge is in the inverse ratio of its extension.
The extension of [the term] plant is greater than that of geranium, because it includes more objects.
The operation of stretching a broken bone so as to bring the fragments into the same straight line.
The straightening of a limb, in distinction from flexion.
A mutually agreed delay in the date set for the completion of a job or payment of a debt;
They applied for an extension of the loan
Act of expanding in scope; making more widely available;
Extension of the program to all in need
The spreading of something (a belief or practice) into new regions
An educational opportunity provided by colleges and universities to people who not enrolled as regular students
Act of stretching or straightening out a flexed limb
A string of characters beginning with a period and followed by one to three letters; the optional second part of a PC computer filename;
Most applications provide extensions for the files they create
Most BASIC files use the filename extension .BAS
The most direct or specific meaning of a word or expression; the class of objects that an expression refers to;
The extension of `satellite of Mars' is the set containing only Demos and Phobos
The ability to raise the working leg high in the air;
The dancer was praised for her uncanny extension
Good extension comes from a combination of training and native ability
Amount or degree or range to which something extends;
The wire has an extension of 50 feet
An additional telephone set that is connected to the same telephone line
An addition to the length of something
An addition that extends a main building
In anatomy, extension refers to the straightening movement of limbs or joints.
The gymnast practiced her leg extension exercises daily.
Extension Meaning in a Sentence
The new wing is a modern extension of the art museum.
The software extension improved the browser's functionality.
You can file for a tax extension if you need more time.
Our kitchen extension added much-needed space to our home.
He used a cord extension to plug in the lamp.
I applied for an extension on my term paper.
The professor granted extensions to students affected by the storm.
Our team is working on an extension project downtown.
They're offering an extension of the warranty for our appliance.
The project's success led to an extension of its funding.
The company is planning an extension into new markets.
The deadline extension helped relieve some of my stress.
The university's extension courses are popular among professionals.
We're considering an extension to accommodate our growing family.
With the extension, the library will be able to hold more books.
This extension ladder reaches up to 20 feet.
The garden extension will include a vegetable patch and a greenhouse.
An extension cord is necessary for the outdoor lights.
The opera house is undergoing an extension to include a new stage.
The extension of the subway line will benefit many commuters.
They added a sunroom as an extension to their house.
Can you pass me the phone extension, please?
His contract with the team was granted a two-year extension.
The extension of credit terms helped the small business thrive.
Common Curiosities
Why is it called Extension?
It's called "Extension" because it originates from the Latin word "extensio," meaning "a stretching out."
What is the verb form of Extension?
The verb form is "extend."
What is the root word of Extension?
The root word is "extend."
Which vowel is used before Extension?
The vowel "a" can be used before "extension" as in "an extension."
Which preposition is used with Extension?
"Of" can be used with extension, as in "extension of time."
Which conjunction is used with Extension?
There's no specific conjunction exclusively used with "extension." However, "and" can be used as in "extension and renovation."
What is the plural form of Extension?
The plural form is "extensions."
What is the pronunciation of Extension?
It is pronounced as /ɪkˈstɛnʃən/.
Is the word “Extension” a Direct object or an Indirect object?
"Extension" can be a direct object, depending on its usage in a sentence.
What is a stressed syllable in Extension?
The stressed syllable is "ten."
What is the first form of Extension?
The first form is the base verb "extend."
What is the singular form of Extension?
The singular form is "extension."
Is Extension a negative or positive word?
"Extension" is neutral; its connotation depends on context.
Is Extension a countable noun?
Yes, you can have one extension or multiple extensions.
Is the word Extension is Gerund?
No, "extension" is not a gerund.
What is another term for Extension?
Another term can be "elongation" or "expansion."
Is Extension an adverb?
No, "extension" is not an adverb.
Is Extension an abstract noun?
It can be, especially when referring to a concept or idea.
Is the word Extension is imperative?
No, "extension" is not an imperative.
What part of speech is Extension?
"Extension" is a noun.
What is the second form of Extension?
The second form is "extended."
What is the third form of Extension?
The third form is also "extended."
Which article is used with Extension?
Both "a" and "an" can be used, depending on the context. Example: "an extension."
Is Extension a vowel or consonant?
"Extension" starts with a vowel.
Is Extension a collective noun?
No, it's not a collective noun.
Is the Extension term a metaphor?
Not inherently, but it can be used metaphorically in certain contexts.
How many syllables are in Extension?
There are three syllables in "extension."
How do we divide Extension into syllables?
It can be divided as ex-ten-sion.
How is Extension used in a sentence?
"The school approved an extension for the project deadline."
Is Extension a noun or adjective?
"Extension" is a noun.
What is the opposite of Extension?
The opposite can be "contraction" or "reduction."
Which determiner is used with Extension?
Determiners like "this," "that," "an," or "the" can be used with "extension."
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Written by
Tayyaba RehmanTayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.
