# ket
## English
### Pronunciation

* IPA: /kɛt/
* Audio (Southern England):(file)
* Rhymes: -ɛt

### Etymology 1

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

#### Noun

ket (plural kets)
* (linear algebra, quantum mechanics) 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 $|A\rangle$, might be represented by a particular column vector. Its corresponding bra, $\langle A|$, would then be represented by the row vector which is the transpose conjugate of that column vector.

##### Antonyms

* bra

##### Related terms

* bra-ket
* ket-bra

##### Translations
### Etymology 2

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.

#### Noun

ket (countable and uncountable, plural kets)
* (Northern England) Carrion; any filth.
* (Northumbria) Sweetmeats.
* (Wearside) A sweet, treat or candy.

#### References

* 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[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 the English Dialect Society by Henry Frowde, Oxford University Press, 1896, →OCLC.

### Etymology 3

Clipping of ketamine.

#### Noun

ket (uncountable)
* (colloquial) ketamine

##### Descendants

* → Dutch: ket

### Etymology 4
#### Noun

ket (uncountable)
* (Scotland) matted wool

## Breton
### Pronunciation

* IPA: /ked/ before a vowel.
* IPA: /ke/ before a consonant.

### Adverb

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

#### Usage notes

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

## Dutch
### Pronunciation

* Audio:(file)

### Etymology 1

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.

#### Alternative forms

* ked, kedde, kid, kidde

#### Noun

ket m (plural ketten, diminutive ketje n)
* (Belgium, dialect) a kid
* (Belgium, dialect) a young guy

### Etymology 2

Unadapted borrowing from English ket.

#### Noun

ket c (uncountable)
* (slang) Clipping of ketamine.
    Synonym: keta

## Icelandic
### Alternative forms

* kjöt (common)

### Etymology

See kjöt.

### Pronunciation

* IPA: /cʰɛːt/
* Rhymes: -ɛːt

### Noun

ket n (genitive singular kets, no plural)
* (regional, dated) meat

#### Declension
## Ilocano
### Conjunction

ket
* and

## Kapampangan
### Alternative forms

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

### Etymology

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

### Pronunciation

* IPA: /ˈket/ [ˈkɛt]
* Hyphenation: ket

### Noun

ket
* bite

#### Derived terms

* ketan
* kumet
* maket
* manget

## Tocharian B
### Alternative forms

* kete

### Etymology

Genitive form of kᵤse (“who, which”).

### Pronoun

ket
* whose, to whom, for whom

### Further reading

* 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