View source for Ket

{{also|Ket|két|kết|-ket|KET}}

==English==

===Pronunciation===
* {{IPA|en|/kɛt/}}
* {{audio|en|LL-Q1860 (eng)-Vealhurl-ket.wav|a=Southern England}}
* {{rhymes|en|ɛt|s=1}}

===Etymology 1===
From {{m|en|bra-ket}} notation invented by {{w|Paul Dirac}}, from {{m|en|bracket}}.

====Noun====
{{wikipedia|Bra–ket notation}}
{{en-noun}}

# {{lb|en|linear algebra|quantum physics}} A column [[vector]], in [[Hilbert space]], especially as representing the [[state]] of a [[quantum mechanical]] system; the [[complex conjugate]] [[transpose]] of a [[bra]] (a row vector); a [[ket vector]]. Symbolised by '''|...〉'''.
#: ''A particular '''ket''', say <math>|A\rangle</math>, might be represented by a particular column vector. Its corresponding bra, <math>\langle A|</math>, would then be represented by the row vector which is the transpose conjugate of that column vector.''

=====Antonyms=====
* {{l|en|bra}}

=====Related terms=====
* {{l|en|bra-ket}}
* {{l|en|ket-bra}}

=====Translations=====
{{trans-top}}
* Chinese:
*: Mandarin: {{t|cmn|右矢}}
* Finnish: {{t|fi|ket}}
* German: {{t|de|Ket|n}}
* Polish: {{t+|pl|ket|m}}
{{trans-bottom}}

===Etymology 2===
Compare {{cog|is|kjöt||flesh}}; akin to Swedish {{m|sv|kött}}, Danish {{m|da|kød}}, and Norwegian {{m|nb|kjøtt}}. The use of the term {{m|en||ket}} for "candy" or "sweets" probably derived from its use to describe sweet meats or as a deterrent to children.

====Noun====
{{en-noun|~}}

# {{lb|en|Northern England}} [[carrion|Carrion]]; any [[filth]].
# {{lb|en|Northumbria}} [[sweetmeats|Sweetmeats]].
# {{lb|en|Wearside}} A [[sweet]], [[treat]] or [[candy]].

====References====
* [http://www.dict.org/bin/Dict?Form=Dict3&Database=gcide The Collaborative International Dictionary of English v.0.48 on DICT.org]
* {{R:Northumberland 1880}}
* {{R:North East Dialect}}
* {{R:Palgrave}}

===Etymology 3===
{{clipping|en|ketamine}}.

====Noun====
{{en-noun|-}}

# {{lb|en|colloquial}} [[ketamine]]

=====Descendants=====
* {{desc|nl|ket|bor=1}}

===Etymology 4===

====Noun====
{{en-noun|-}}

# {{lb|en|Scotland}} [[matted]] [[wool]]

==Breton==

===Pronunciation===
* {{IPA|br|/ked/}} before a vowel.
* {{IPA|br|/ke/}} before a consonant.

===Adverb===
{{head|br|adverb}}

# [[not]]
#: '''''N''''ouzon '''ket''' [[petra]] eo.'' — I don't know what it is.

====Usage notes====
Together with {{m|br|ne}}: '''ne ... ket'''. This is the same structure as French '''ne ... pas'''.

==Dutch==

===Pronunciation===
* {{audio|nl|Nl-ket.ogg}}

===Etymology 1===
From {{inh|nl|dum|*kitte}}, from {{inh|nl|odt|kitto|t=fawn, kid}}, from {{inh|nl|gmw-pro|*kittō|t=fawn, chit}}. Compare {{cog|en|chit}}. Compare also {{cog|fy|kedde|t=pony}}, {{cog|en|-}}, {{cog|sv|-}} and {{cog|da|kid}}, {{cog|de|Kitz}} and {{m|de|Kitze}}, {{cog|sq|kedh}} and {{m|sq|kec}}.

====Alternative forms====
* {{alt|nl|ked|kedde|kid|kidde}}

====Noun====
{{nl-noun|m|-en|+}}

# {{lb|nl|Belgium|dialect}} a [[kid]]
# {{lb|nl|Belgium|dialect}} a young [[guy]]

===Etymology 2===
{{ubor|nl|en|ket}}.

====Noun====
{{nl-noun|c|-|-}}

# {{C|nl|Recreational drugs}} {{lb|nl|slang}} {{clipping of|nl|ketamine}}
#: {{syn|nl|keta}}

==Icelandic==

===Alternative forms===
* {{alt|is|kjöt||common|}}

===Etymology===
See {{m|is|kjöt}}.

===Pronunciation===
* {{IPA|is|/cʰɛːt/}}
* {{rhymes|is|ɛːt|s=1}}

===Noun===
{{is-noun|@@}}

# {{lb|is|regional|dated}} [[meat]]

====Declension====
{{is-ndecl|n.sg}}

{{C|is|Foods}}
{{C|is|Meats|sort= *}}

==Ilocano==

===Conjunction===
{{head|ilo|conjunction}}

# [[and]]

==Kapampangan==

===Alternative forms===
* {{alt|pam|cayat||now|dialectal|Candaba|Bacolor|Samson}}
* {{alt|pam|kayat||now|dialectal|Candaba}}
* {{alt|pam|quet||Bacolor}}

===Etymology===
{{contraction|pam}} from earlier {{m|pam|kayat}}, {{inh+|pam|poz-pro|*kaʀat||to bite|nocap=1}}, from {{inh|pam|map-pro|*kaʀaC||to bite}}.

===Pronunciation===
* {{pam-IPA}}
* {{hyph|pam|ket}}

===Noun===
{{pam-noun}}

# [[bite]]

====Derived terms====
{{col3|pam|kumet|manget|ketan|maket}}

==Tocharian B==

===Alternative forms===
* {{alter|txb|kete}}

===Etymology===
[[genitive|Genitive]] form of {{m|txb|kᵤse||who, which}}.

===Pronoun===
{{head|txb|pronoun}}

# [[whose]], to [[whom]], for [[whom]]

===Further reading===
* {{R:txb:Adams 2013|head=ket|pages=203-204}}