extension

Fetched 2026-10-26 (cache).

Synonyms: extersion, extention, extensin, xtension, extensive, tension, expansion, intension, extensity, ostension, obtension

Antonyms: extersion, extention, extensin, xtension, extensive, tension, expansion, intension, extensity, ostension, obtension

Related words from Datamuse; suggestions, not definitions.

Noun

The act of [[extend]]ing; a [[stretch]]ing out; [[enlargement]] in length, breadth, or [[time]]; an [[increase]].
The state of being extended.
{{senseid|en|space occupation}}That property of a [[body]] by which it occupies a portion of space (or time, e.g. "[[spatiotemporal]] extension").
{{lb|en|mathematics|group theory|of a [[group]] <math>G</math> by a group <math>H</math>}} A [[short exact sequence]] <math>1\to H\to E\to G\to 1</math>, or the group <math>E</math> therein.
{{lb|en|mathematics|[[homological algebra]]|of an [[object]] <math>A</math> by an object <math>B</math> in an [[abelian category]]}} A [[short exact sequence]] <math>0\to B\to E\to A\to 0</math>, or the object <math>E</math> therein.
A part of a [[building]] that has been added onto the original.
An [[outgrowth]]; a part of something that extends its capabilities.
{{senseid|en|semantics}} {{lb|en|semantics}} Capacity of a concept or general term to include a greater or smaller number of objects; — correlative of [[intension]].
{{lb|en|linguistics|semantics}} [[semantic|Semantic]] [[widening]], [[broadening]] of [[meaning]].
{{lb|en|banking|finance}} A written [[engagement]] on the part of a creditor, allowing a debtor further time to pay a debt.
{{lb|en|medicine}} The [[operation]] of stretching a broken bone so as to bring the fragments into the same straight line.
{{lb|en|weightlifting}} An [[exercise]] in which an arm or leg is straightened against resistance.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.