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ket. In DICTIOUS you will not only get to know all the dictionary meanings for the word
ket, but we will also tell you about its etymology, its characteristics and you will know how to say
ket in singular and plural. Everything you need to know about the word
ket you have here. The definition of the word
ket will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
ket, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Pronunciation
Etymology 1
From bra-ket notation invented by Paul Dirac, from bracket.
Noun
ket (plural kets)
- (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 , 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.
Antonyms
Related terms
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
- A Dictionary of North East Dialect, Bill Griffiths, 2005, Northumbria University Press, →ISBN
- A List of words and phrases in everyday use by the natives of Hetton-le-Hole in the County of Durham, F.M.T.Palgrave, English Dialect Society vol.74, 1896,
Etymology 3
Clipping of ketamine.
Noun
ket (uncountable)
- (colloquial) ketamine
Descendants
Etymology 4
Noun
ket (uncountable)
- (Scotland) matted wool
Breton
Pronunciation
- IPA(key): /ked/ before a vowel.
- IPA(key): /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
Etymology 1
From Old Dutch ked, kedde, kidde, meaning young goat. Compare English, Swedish and Danish kid, German Kitz and Kitze, Albanian kedh and kec.
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
Etymology
See kjöt.
Pronunciation
Noun
ket n (genitive singular kets, no plural)
- (regional, dated) meat
Declension
Ilocano
Conjunction
ket
- and
Tocharian B
Alternative forms
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