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K

1
or k

[ key ]

noun

, plural K's or Ks, k's or ks.
  1. the eleventh letter of the English alphabet, a consonant.
  2. any sound represented by the letter K or k, as in bilk, kit, or sick.
  3. something having the shape of a K .
  4. a written or printed representation of the letter K or k.
  5. a device, as a printer's type, for reproducing the letter K or k.


K

2

abbreviation for

  1. the number 1000:

    The salary offered is $20K.

  2. kilometer, especially in a footrace or wheelchair race on a road or track:

    She’s training to run her first 10K this summer.

K

3

abbreviation for

  1. Chess. king.
  2. Physics. Kelvin.
  3. kindergarten:

    a K–12 boarding school.

  4. Real Estate. kitchen.

K

4
Symbol.
  1. the eleventh in order or in a series.
  2. Computers.
    1. the number 1024 or 2 10 :

      A binary 32K memory has 32,768 positions.

  3. Baseball. strikeout; strikeouts.
  4. Physics. kaon ( def ).
  5. Biochemistry. lysine ( def ).
  6. Chemistry. potassium ( def ).

k

5
Symbol.
  1. Mathematics. a vector on the z-axis, having length 1 unit.

K

6

abbreviation for

, Ecology.
  1. carrying capacity.

k.

7

abbreviation for

  1. Electricity. capacity.
  2. karat.
  3. kilogram; kilograms.
  4. Chess. king.
  5. knight.
  6. knot.
  7. kopeck.

K.

8

abbreviation for

  1. kip; kips.
  2. Knight.
  3. kwacha.

K

1

symbol for

  1. kelvin(s)
  2. chess king
  3. chem potassium
  4. physics kaon
  5. currency
    1. kina
    2. kip
    3. kopeck
    4. kwacha
    5. kyat
  6. one thousand
  7. computing
    1. a unit of 1024 words, bits, or bytes
    2. (not in technical usage) 1000
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

abbreviation for

  1. Cambodia (international car registration)
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

K

2

abbreviation for

  1. Köchel: indicating the serial number in the catalogue (1862) of the works of Mozart made by Ludwig von Köchel (1800–77)
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

k

3

/ keɪ /

noun

  1. the 11th letter and 8th consonant of the modern English alphabet
  2. a speech sound represented by this letter, usually a voiceless velar stop, as in kitten
  3. See five Ks
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

k

4

symbol for

  1. kilo(s)
  2. maths the unit vector along the z-axis
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of K1

Abbreviation of kilo- K 2fordef 1; abbreviation of kilometer ( def ) K 2fordef 2

Origin of K2

K 4def 6 from German Kalium
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Word History and Origins

Origin of K1

(for sense 3) from New Latin kalium ; (for sense 6) from kilo- ; (for sense 8) from Kampuchea
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Example Sentences

Other areas of potential scrutiny are teacher job protections in K-12 schools and Head Start preschools.

“I’m kind of a scavenger,” U.K.-based designer Ellen Poppy Hill says of her approach to secondhand fabric sourcing.

Trump “is going to hit the Department of Justice with a blowtorch — and that torch is Matt Gaetz,” former Trump aide Stephen K. Bannon said last week.

I think you can see this in their language of disruption in how they start new business plans and existing changes in K-12 and higher education at the state level right now.

From Salon

This was particularly notable in a reading of the libretto for a proposed new opera by Ted Hearn, one of our most politically outspoken composers, based on Ursula K Le Guin’s “The Dispossessed.”

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