Extension definition

ĭk-stĕnshən

Words form:

extensions

See word origin

Frequency:

The amount or degree to which something is or can be extended; range; extent.

noun

The amount, degree, or range to which something extends or can extend.

The wire has an extension of 50 feet.

noun

(medicine) The application of traction to a fractured or dislocated limb to restore the normal position.

noun

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.

noun

A part that forms a continuation or addition.

An extension to a factory.

noun

The property of an object by which it occupies space.

noun

A branch of a university for students who cannot attend the university proper.

noun

(mathematics) A set that includes a given and similar set as a subset.

noun

An extra period of time allowed a debtor for making payment.

noun

A length of natural or synthetic hair added to a person's hair, as by weaving, gluing, or attaching with a comb at the scalp, to create a longer or fuller style.

noun

Designating a device that can be extended or that extends something else.

Extension ladder, extension cord.

adjective

(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 act of extending or the condition of being extended.

The extension of the subway into the suburbs.

noun

An extending or being extended.

noun

(1) See domain extension.

The definition of an extension is an addition such as to a building, an extra phone line connected to the main line or an extra amount of time given to someone to pay a debt.

An example of an extension is adding a second story to a single story house.

An example of an extension is line two on a business line.

An example of an extension is someone getting an extra fifteen days to pay their electric bill.

noun

(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.

noun

(logic) The class of objects designated by a specific term or concept; denotation.

noun

The act of straightening or extending a limb.

noun

The position assumed by an extended limb.

noun

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.

noun

An additional telephone connected to a main line.

noun

An allowance of extra time, as for the repayment of a debt.

noun

The period of this extra time.

Three months' extension on the loan.

noun

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.

noun

A publicly funded program offering such instruction along with information on agriculture, home economics, and business.

noun

(logic) The class of all particular objects to which a term refers; denotation.

noun

(physics) That property of a body by which it occupies space.

noun

An extra telephone connected to the same line as the main telephone.

noun

Any of the telephones connected to a PBX or other telephone system, each having a number assigned for direct calling; also, the number so assigned.

noun

The straightening of a flexed limb.

noun

Traction applied to a fractured or dislocated limb so as to bring it into its normal position.

noun

The act or an instance of extending either leg at any angle from the body.

noun

The capability of a dancer to so extend a leg, specif. at a difficult angle for a period of time.

noun

An amount on an invoice calculated by multiplying quantity by price.

noun

The calculation of such an amount.

noun

(medicine) The application of traction to a fractured or dislocated limb to restore the normal position.

noun

The act of straightening or extending a limb.

noun

The position assumed by an extended limb.

noun

The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.

noun

That property of a body by which it occupies a portion of space (time, e.g. "spatiotemporal extension")

noun

(semantics) Capacity of a concept or general term to include a greater or smaller number of objects; — correlative of intension.

noun

(banking, finance) A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.

noun

(medicine) The operation of stretching a broken bone so as to bring the fragments into the same straight line.

noun

(weightlifting) An exercise in which an arm or leg is straightened against resistance.

noun

(fencing) A simple offensive action, consisting of extending the weapon arm forward.

noun

(telecommunications) A numerical code used to specify a specific telephone in a telecommunication network.

noun

(computing) A file extension.

Files with the .txt extension usually contain text.

noun

(computing) An optional software component that adds functionality to an application.

A browser extension.

noun

Other Word Forms

Noun

Singular:

extension

Plural:

extensions

Origin of extension

Middle English extensioun from Old French extension from Latin extēnsiō extēnsiōn- from extēnsus past participle of extendere to extend extend

From American Heritage Dictionary of the English Language, 5th Edition
From Old French extension, from Latin extensio

From Wiktionary

Extension definition

Other Word Forms

Noun

Origin of extension

From American Heritage Dictionary of the English Language, 5th Edition

From Wiktionary

Extension Sentence Examples

Related articles

Words near extension in the Dictionary

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