Main meanings of k in English

abbreviation

• 1in combination (in units of measurement) kilo-

  ‘a distance of 700 kpc’

• 2

  see K (abbreviation)

• 1A constant in a formula or equation.

• 2Chemistry
  Boltzmann's constant.

nounKs, K's

• 1The eleventh letter of the alphabet.

  Synonyms

  thousand dollars, thousand pounds

  1. 1.1Denoting the next after J in a set of items, categories, etc.

abbreviation

• 1Cambodia (international vehicle registration).

• 2Kelvin(s).

• 3Computing
  Kilobyte(s)

  ‘it uses only 10K of RAM’

• 4Kilometre(s)

  ‘a 10K fun run’

• 5informal OK.

  ‘K, I'm back’

• 6North American Kindergarten.

  ‘school districts may hire uncertified pre-K teachers’

• 7King (used especially in describing play in card games and recording moves in chess)

  ‘declarer overruffed with ♦K and led another spade’

  ‘18.Ke2’

• 8Knit (as an instruction in knitting patterns)

  ‘K 42 rows’

• 9Köchel (catalogue of Mozart's works)

  ‘the Sinfonia Concertante, K364’

• 10

  (also k)

  informal Thousand (used chiefly in expressing salaries or other sums of money)

  ‘he earns about £50K a year’

• The chemical element potassium.