Frombra-ket notation invented byPaul Dirac, frombracket.
ket (pluralkets)
- (linear algebra, quantum mechanics) A columnvector, inHilbert space, especially as representing thestate of aquantum mechanical system; thecomplex conjugatetranspose of abra (a row vector); aket vector. Symbolised by|...〉.
- A particularket, say
, might be represented by a particular column vector. Its corresponding bra,
, would then be represented by the row vector which is the transpose conjugate of that column vector.
CompareIcelandickjöt(“flesh”); akin to Swedishkött, Danishkød, and Norwegiankjøtt. The use of the termket for "candy" or "sweets" probably derived from its use to describe sweet meats or as a deterrent to children.
ket (countable anduncountable,pluralkets)
- (Northern England)Carrion; anyfilth.
- (Northumbria)Sweetmeats.
- (Wearside) Asweet,treat orcandy.
- The Collaborative International Dictionary of English v.0.48 on DICT.org
- Northumberland Words, English Dialect Society, R. Oliver Heslop, 1893–4
- Bill Griffiths, editor (2004), “ket”, inA Dictionary of North East Dialect, Newcastle upon Tyne, Tyne and Wear:Northumbria University Press,→ISBN.
- “Ket”, inPalgrave’s Word List: Durham & Tyneside Dialect Group[1], archived fromthe original on2024-09-05, from F[rancis] M[ilnes] T[emple] Palgrave,A List of Words and Phrases in Everyday Use by the Natives of Hetton-le-Hole in the County of Durham […] (Publications of the English Dialect Society; 74), London: Published for theEnglish Dialect Society by Henry Frowde,Oxford University Press, 1896,→OCLC.
Clipping ofketamine.
ket (uncountable)
- (colloquial)ketamine
ket (uncountable)
- (Scotland)mattedwool
- IPA(key): /ked/ before a vowel.
- IPA(key): /ke/ before a consonant.
ket
- not
- N'ouzonketpetra eo. — I don't know what it is.
Together withne:ne ... ket. This is the same structure as Frenchne ... pas.
FromMiddle Dutch*kitte, fromOld Dutchkitto(“fawn, kid”), fromProto-West Germanic*kittō(“fawn, chit”). CompareEnglishchit. Compare alsoWest Frisiankedde(“pony”),English,Swedish andDanishkid,GermanKitz andKitze,Albaniankedh andkec.
ket m (pluralketten,diminutiveketje n)
- (Belgium, dialect) akid
- (Belgium, dialect) a youngguy
Unadapted borrowing fromEnglishket.
ket c (uncountable)
- (slang)Clipping ofketamine.
- Synonym:keta
Seekjöt.
ket n (genitive singularkets,no plural)
- (regional, dated)meat
ket
- and
Contraction from earlierkayat,inherited fromProto-Malayo-Polynesian*kaʀat(“to bite”), fromProto-Austronesian*kaʀaC(“to bite”).
- IPA(key): /ˈket/ [ˈkɛt]
- Hyphenation:ket
ket
- bite
Genitive form ofkᵤse(“who, which”).
ket
- whose, towhom, forwhom
- Adams, Douglas Q. (2013) “ket”, inA Dictionary of Tocharian B: Revised and Greatly Enlarged (Leiden Studies in Indo-European;10), Amsterdam, New York: Rodopi,→ISBN,pages203-204
