extension

[ ik-sten-shuhn ]

/ ɪkˈstɛn ʃən /

SEE SYNONYMS FOR extension ON THESAURUS.COM

noun

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.

adjective

of or relating to extension courses.

Origin of extension

1350–1400; Middle English < Latin extēnsiōn- (stem of extēnsiō). See extensive, -ion

SYNONYMS FOR extension

1 stretching, expansion, enlargement, increase, dilation.

3 lengthening, protraction, continuation.

4 delay.

6 limit.

SEE SYNONYMS FOR extension ON THESAURUS.COM

ANTONYMS FOR extension

1 contraction.

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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

extended-play, extender, extensible, extensile, extensimeter, extension, extension agent, extension bolt, extension cord, extension courses, extension field

British Dictionary definitions for extensional (1 of 2)

extensional

/ (ɪkˈstɛnʃənəl) /

adjective

relating to or characterized by extension

logic explicable solely in terms of extensions; ignoring differences of meaning that do not affect the extension See also extensionality, substitutivity, transparent context

Derived forms of extensional

extensionally, adverb extensionalism, noun

British Dictionary definitions for extensional (2 of 2)

extension

/ (ɪkˈstɛnʃən) /

noun

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 PhobosCompare intension (def. 1a)
conservative extension a formal theory that includes among its theorems all the theorems of a given theory

Word Origin for extension

C14: from Late Latin extensiō a stretching out; see extend

Medical definitions for extensional

extension

[ ĭk-stĕn′shən ]

n.

The act of straightening or extending a flexed limb.

A pulling or dragging force exerted on a limb in a distal direction.

Scientific definitions for extensional

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.

BROWSE DICTIONARY

Learning

extension

noun

adjective

Origin of extension

SYNONYMS FOR extension

ANTONYMS FOR extension

OTHER WORDS FROM extension

Words nearby extension

British Dictionary definitions for extensional (1 of 2)

adjective

Derived forms of extensional

British Dictionary definitions for extensional (2 of 2)

noun

Word Origin for extension

Medical definitions for extensional

n.

Scientific definitions for extensional

BROWSE DICTIONARY

Learning

extension

noun

adjective

Origin of extension

SYNONYMS FOR extension

ANTONYMS FOR extension

OTHER WORDS FROM extension

Words nearby extension

Words related to extensional

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adjective

Derived forms of extensional

British Dictionary definitions for extensional (2 of 2)

noun

Word Origin for extension

Medical definitions for extensional

n.

Scientific definitions for extensional

British Dictionary definitions for extensional (1 of 2)