ket

• IPA^(key): /kɛt/

• Audio (Southern England):

  (file)

• Rhymes: -ɛt

From bra-ket notation invented by Paul Dirac, from bracket.

English Wikipedia has an article on:

Bra–ket notation

Wikipedia

ket (plural kets)

1. (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 ${\displaystyle |A\rangle }$, might be represented by a particular column vector. Its corresponding bra, ${\displaystyle \langle A|}$, would then be represented by the row vector which is the transpose conjugate of that column vector.

• bra

• bra-ket
• ket-bra

Compare Icelandic kjöt (“flesh”); akin to Swedish kött, Danish kød, and Norwegian kjøtt. The use of the term ket for "candy" or "sweets" probably derived from its use to describe sweet meats or as a deterrent to children.

ket (countable and uncountable, plural kets)

1. (Northern England) Carrion; any filth.
2. (Northumbria) Sweetmeats.
3. (Wearside) A sweet, treat or candy.

• 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”, in A Dictionary of North East Dialect, Newcastle upon Tyne, Tyne and Wear: Northumbria University Press, →ISBN.
• “Ket”, in Palgrave’s Word List: Durham & Tyneside Dialect Group‎, archived from the original on 2024-09-05, from F M T 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 the English Dialect Society by Henry Frowde, Oxford University Press, 1896, →OCLC.

Clipping of ketamine.

ket (uncountable)

1. (colloquial) ketamine

• → Dutch: ket

ket (uncountable)

1. (Scotland) matted wool

• IPA^(key): /ked/ before a vowel.
• IPA^(key): /ke/ before a consonant.

ket

1. not

   N'ouzon ket petra eo. — I don't know what it is.

Together with ne: ne ... ket. This is the same structure as French ne ... pas.

• Audio:

  (file)

From Middle Dutch *kitte, from Old Dutch kitto (“fawn, kid”), from Proto-West Germanic *kittō (“fawn, chit”). Compare English chit. Compare also West Frisian kedde (“pony”), English, Swedish and Danish kid, German Kitz and Kitze, Albanian kedh and kec.

• ked, kedde, kid, kidde

ket m (plural ketten, diminutive ketje n)

1. (Belgium, dialect) a kid
2. (Belgium, dialect) a young guy

Unadapted borrowing from English ket.

ket c (uncountable)

1. (slang) Clipping of ketamine.

   Synonym: keta

• kjöt (common)

See kjöt.

• IPA^(key): /cʰɛːt/
• Rhymes: -ɛːt

ket n (genitive singular kets, no plural)

1. (regional, dated) meat

ket

1. and

• cayat (now dialectal, Candaba, Súlat Bacúlud, Ámung Sámson)
• kayat (now dialectal, Candaba)
• quet (Súlat Bacúlud)

Contraction from earlier kayat, inherited from Proto-Malayo-Polynesian *kaʀat (“to bite”), from Proto-Austronesian *kaʀaC (“to bite”).

• IPA^(key): /ˈket/
• Hyphenation: ket

ket

1. bite

• kete

Genitive form of kᵤse (“who, which”).

ket

1. whose, to whom, for whom

• Adams, Douglas Q. (2013) “ket”, in A Dictionary of Tocharian B: Revised and Greatly Enlarged (Leiden Studies in Indo-European; 10), Amsterdam, New York: Rodopi, →ISBN, pages 203-204