Extention vs. Extension: Decoding the Right Spelling
By Shumaila Saeed || Updated on December 25, 2023
"Extention" is an incorrect spelling, while "Extension" is correct, referring to an addition or continuation of something.
Which is correct: Extention or Extension
How to spell Extension?
Extention is Incorrect
Extension is Correct
How to remember correct spelling of Extension?
Visualize 'Extension' as 'ex-tension,' focusing on the 's' sound.
Shumaila Saeed
Dec 23, 2023
Remember that 'Extension' extends the word 'extend' with 'sion.'
Shumaila Saeed
Dec 23, 2023
Think of 'Extension' as an extra 's-tretch' of something, emphasizing the 's.'
Shumaila Saeed
Dec 23, 2023
Associate 'Extension' with 'tense,' as both words contain the 's' sound, not 't.'
Shumaila Saeed
Dec 23, 2023
Link 'Extension' with 'expansion,' both having the 'sion' ending.
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Dec 23, 2023
Extension Definitions
Computer File Format
The .jpg extension in file names indicates image format.
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Dec 14, 2023
The act of extending or the condition of being extended
The extension of the subway into the suburbs.
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Oct 19, 2023
The amount, degree, or range to which something extends or can extend
The wire has an extension of 50 feet.
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Oct 19, 2023
The act of straightening or extending a limb.
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The position assumed by an extended limb.
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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.
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Oct 19, 2023
(Medicine) The application of traction to a fractured or dislocated limb to restore the normal position.
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Oct 19, 2023
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.
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Oct 19, 2023
An additional telephone connected to a main line.
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Oct 19, 2023
An allowance of extra time, as for the repayment of a debt.
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Oct 19, 2023
The property of an object by which it occupies space.
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Oct 19, 2023
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.
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Oct 19, 2023
A publicly funded program offering such instruction along with information on agriculture, home economics, and business.
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(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.
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Oct 19, 2023
(Logic) The class of objects designated by a specific term or concept; denotation.
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(Mathematics) A set that includes a given and similar set as a subset.
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Oct 19, 2023
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.
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Oct 19, 2023
The state of being extended
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That property of a body by which it occupies a portion of space (or time, e.g. "spatiotemporal extension")
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A part of a building that has been extended from the original
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(semantics) Capacity of a concept or general term to include a greater or smaller number of objects; — correlative of intension.
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Semantic widening, broadening of meaning
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A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.
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(medicine) The operation of stretching a broken bone so as to bring the fragments into the same straight line.
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(weightlifting) An exercise in which an arm or leg is straightened against resistance.
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(fencing) A simple offensive action, consisting of extending the weapon arm forward.
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(telecommunication) A numerical code used to specify a specific telephone in a telecommunication network.
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(computing) A file extension.
Files with the .txt extension usually contain text.
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(computing) An optional software component that adds functionality to an application.
A browser extension
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(logic) The set of tuples of values that, used as arguments, satisfy the predicate.
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(grammar) A kind of derivative morpheme applied to verbs in Bantu languages.
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(education) University programs that are targeted at the broader (usually adults) community whose participants are not full-time enrolled students.
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The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.
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Oct 19, 2023
That property of a body by which it occupies a portion of space.
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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.
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Oct 19, 2023
The operation of stretching a broken bone so as to bring the fragments into the same straight line.
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Oct 19, 2023
The straightening of a limb, in distinction from flexion.
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Oct 19, 2023
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
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Act of expanding in scope; making more widely available;
Extension of the program to all in need
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The spreading of something (a belief or practice) into new regions
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An educational opportunity provided by colleges and universities to people who not enrolled as regular students
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Act of stretching or straightening out a flexed limb
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Oct 19, 2023
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
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Oct 19, 2023
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
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Oct 19, 2023
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
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Amount or degree or range to which something extends;
The wire has an extension of 50 feet
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An additional telephone set that is connected to the same telephone line
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An addition to the length of something
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An addition that extends a main building
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Lengthening or Addition
An extension to a building, like adding a new wing to a house.
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Dec 14, 2023
Additional Telephone Line
A separate phone line, known as a phone extension.
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Dec 14, 2023
Repeatedly Asked Queries
What is the correct spelling for an addition to something?
The correct spelling is 'Extension.'
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Dec 23, 2023
Can 'Extension' refer to time?
Yes, 'Extension' can mean prolonging a time period, like a deadline.
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Dec 23, 2023
Is 'Extention' ever used in English?
No, 'Extention' is a common misspelling and not recognized in standard English.
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Dec 23, 2023
What does 'Extension' imply in construction?
In construction, 'Extension' refers to an addition to an existing building or structure.
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Dec 23, 2023
How is 'Extension' used in technology?
In technology, 'Extension' often refers to file formats or software add-ons.
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Dec 23, 2023
What is the origin of 'Extension'?
'Extension' comes from Latin 'extendere' meaning to stretch out or expand.
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Dec 23, 2023
How does one use 'Extension' in a sentence?
'Extension' is used as a noun, e.g., "We built an extension to our home."
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Dec 23, 2023
How is 'Extension' used in telecommunications?
In telecommunications, an 'Extension' is an additional phone line connected to the main line.
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Dec 23, 2023
Does 'Extension' have a different meaning in education?
In education, 'Extension' can refer to additional courses or programs beyond the standard curriculum.
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Dec 23, 2023
Can 'Extension' be used in a physical context?
Yes, 'Extension' describes the act of stretching or lengthening a body part.
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Dec 23, 2023
What role does 'Extension' play in physical fitness?
In fitness, 'Extension' refers to exercises that increase the length of muscles and improve flexibility.
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Dec 23, 2023
Is 'Extension' used in business terminology?
In business, 'Extension' can refer to the expansion of a product line or services.
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Dec 23, 2023
Does 'Extension' have a specific meaning in hair styling?
In hair styling, 'Extensions' are artificial additions to natural hair for length or volume.
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Dec 23, 2023
Are there any common phrases or expressions involving 'Extension'?
Common phrases with 'Extension' include 'granting an extension' for deadlines or 'filing for an extension' in tax contexts.
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Dec 23, 2023
Can 'Extension' apply to academic research?
Yes, 'Extension' in academic research can mean the continuation or further exploration of a study.
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Dec 23, 2023
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About Author
Written by
Shumaila SaeedShumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.
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