from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A vector, in Hilbert space, especially as representing the state of a quantum mechanical system; the complex conjugate of a bra; a ket vector. Symbolised by |...〉.
  • n. Carrion; any filth.
  • n. Sweetmeats.
  • n. A sweet, treat or candy.
  • n. ketamine

from the GNU version of the Collaborative International Dictionary of English

  • n. Carrion; any filth.

from The Century Dictionary and Cyclopedia

  • n. Carrion; filth.
  • n. A matted hairy fleece of wool.
  • n. The couch- or quitch-grass, Triticum repens.
  • n. Same as kat.


From bra-ket notation invented by Paul Dirac. (Wiktionary)
Compare Icelandic kjöt ("flesh"); akin to Swedish kött and Danish kjöd. 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. (Wiktionary)
Abbreviation. (Wiktionary)



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  • Carrion or a candy-treat; You pick.

    February 24, 2013

  • Carrion; the flesh of animals, especially sheep that have died from disease or by accident. --Dr. Jamieson's Scottish Dictionary and Supplement, 1841.

    May 24, 2011