extension English · revision 5168

+ {{infobox|confidence=established|formation=borrowing|attested=c. 1400|origins=la-lat extensio}}

+

+ ==Pronunciation==

+ * IPA: /ɪkˈsten.ʃən/, /ekˈsten.ʃən/^(Roach et al. 2011)

+

+ ==Etymology==

+ It is [[inh|enm|extensioun]], [[bor|frm|extension]] or directly from [[la-lat|extēnsiō|t=a stretching out]],^(MWU 2024)^(Etymonline) a noun of action from the past participle of Latin extendere “to stretch out”, the source of [[extend]].^(Etymonline)^(NODE 1998)^(SOED 2002)

+

+ ==Earliest recorded meaning==

+ Swelling, distension: about 1400.^(Etymonline)^(OED 1989) The Shorter Oxford dates the stretching out of the body or a limb to late Middle English.^(SOED 2002)

+

+ ==Semantic evolution==

+ An increase in scope or range is from the late 16th century,^(SOED 2002) and the property of occupying space, in physics and philosophy, from the early 17th.^(SOED 2002) Extra time allowed for something is from the mid-17th century.^(SOED 2002) University extension, extramural teaching, is from the mid-19th century.^(SOED 2002) A part added to something, such as a railway, is from 1852,^(Etymonline) and an extra telephone line from 1906.^(Etymonline)

+

+ ==Timeline==

+ * c. 1400 – swelling.^(Etymonline)^(OED 1989)

+ * late 16th century – increase in scope.^(SOED 2002)

+ * mid-17th century – extra time.^(SOED 2002)

+ * 1852 – an added part.^(Etymonline)

+ * 1906 – a telephone extension.^(Etymonline)

+

+ ==Modern meaning==

+ ===Noun===

+ # The act of making something longer, larger or wider.^(AHD)^(Collins 2023)

+ # A room or rooms added to a building.^(Collins 2023)

+ # Extra time allowed for something: ''an extension to a deadline''.^(Collins 2023)

+ # An additional telephone connected to the same line, or its number.^(AHD)^(Collins 2023)

+ # The range to which something extends.^(AHD)

+ # ''(medicine)'' The straightening of a limb.^(AHD)^(Collins 2023)

+

+ ==Word family==

+ * [[extensional]]

+ * [[extensionality]]

+ * [[extensionally]]

+ * [[extensionless]]

+ * [[nonextension]]

+ * [[superextension]]

+ * [[hyperextension]]

+ * [[simple extension]]

+

+ ==Related words==

+ * [[extend]]

+ * [[extent]]

+ * [[intension]]

+ * [[comprehension]]

+ * [[extensive]]

+

+ ==References==

+ {{reflist}}