collision English · revision 14897

+ {{infobox|confidence=established|formation=borrowing|attested=before 1425|origins=la collīdō}}

+

+ ==Pronunciation==

+ * IPA: /kəˈlɪʒ.ən/^(Roach et al. 2011)

+

+ ==Etymology==

+ It is [[bor|frm|collision]] and directly [[la-lat|collīsiō|t=a dashing together]],^(Barnhart 1988)^(Etymonline)^(NODE 1998) from the past participle stem of [[la|collīdō|t=to strike together]] (see [[collide]]).^(Barnhart 1988)^(Etymonline)^(NODE 1998)

+

+ ==Earliest recorded meaning==

+ The action of forcibly striking or dashing together: probably before 1425, in a translation of Higden's Polychronicon,^(Barnhart 1988) 1432–50 in the OED.^(OED 1989)

+

+ ==Semantic evolution==

+ The meeting of two vowels with elision of one is from 1552, and the harsh coming together of sounds from 1635.^(OED 1989) Figuratively, a clash of opposed ideas or interests is from 1662, and mere coming into contact from 1664.^(OED 1989) In computing, two records assigned the same place in memory were a collision from 1968, and simultaneous transmission by several nodes of a network from 1982.^(OED 1989)

+

+ ==Timeline==

+ * 1432–50 – a striking together.^(OED 1989)

+ * 1552 – elision of vowels.^(OED 1989)

+ * 1662 – a clash of ideas.^(OED 1989)

+ * 1879 – collision bulkhead (nautical).^(OED 1989)

+ * 1968 – collision (computing).^(OED 1989)

+

+ ==Modern meaning==

+ ===Noun===

+ # A violent [[impact]] of moving objects; a [[crash]].^(AHD)^(Collins 2023)

+ # A conflict of opposed ideas, wishes or interests.^(Collins 2023)^(OED 1989)

+ # ''(physics)'' An event in which particles come close together, resulting in a change of [[momentum]] or an exchange of energy.^(AHD)^(Collins 2023)

+ # ''(computing)'' The simultaneous transmission of data by more than one node of a network.^(OED 1989)

+

+ ==Word family==

+ * [[collisional]]

+ * [[collisionally]]

+ * [[anticollision]]

+ * [[collision course]]

+ * [[elastic collision]]

+

+ ==Related words==

+ * [[collide]]

+ * [[allision]]

+ * [[elide]]

+ * [[elision]]

+ * [[lesion]]

+

+ ==References==

+ {{reflist}}