Dictionary.com
Thesaurus.com
Showing results for "k"
  • a variation of kk.
Jump To:
  • k
    k
    a vector on the z-axis, having length 1 unit.
  • K
    K
    abbreviation
    carrying capacity.
  • k.
    k.
    abbreviation
    capacity.
  • K.
    K.
    abbreviation
    kip; kips.

k

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

  2. Boltzmann constant.


K 2 American  

abbreviation

Ecology.
  1. carrying capacity.


K 3 American  
[key] / keɪ /
Or k

noun

  • K's,
    plural
  • Ks,
    plural
  • k's,
    plural
  • ks
    plural
  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 4 American  

abbreviation

  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 5 American  

abbreviation

  1. Chess. king.

  2. Physics. Kelvin.

  3. Music. Köchel listing.

  4. kindergarten.

    a K–12 boarding school.

  5. Real Estate. kitchen.


K 6 American  
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.

    2. kilobyte.

  3. Baseball. strikeout; strikeouts.

  4. Physics. kaon.

  5. Biochemistry. lysine.

  6. Chemistry. potassium.


k. 7 American  

abbreviation

  1. Electricity. capacity.

  2. karat.

  3. kilogram; kilograms.

  4. Chess. king.

  5. knight.

  6. knot.

  7. kopeck.


K. 8 American  

abbreviation

  1. kip; kips.

  2. Knight.

  3. kwacha.


K 1 British  

symbol

  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

  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 British  
/ 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 3 British  

symbol

  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

K 4 British  

abbreviation

  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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of K4

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

Origin of K6

K 4 def. 6 from German Kalium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

But some economists see evidence of a so-called k-shaped economy, where the two legs of the k represent different income groups, with a relatively small slice of high earners boosting spending growth.

From Barron's Apr. 3, 2026

The k track was the mirror image of a particle seen before by colleagues in Manchester, but the Manchester team's track decayed into two pions, not three.

From BBC Jul. 23, 2024

Choose a value from 0 to 9 for i, j and k.

From Scientific American Oct. 24, 2023

He then shared a story how when he was younger, he once got the letters x,y, z and k in Scrabble — and spent 15 minutes determined to try to make a move.

From Washington Times Oct. 26, 2022

Kepler’s third law described the time it takes for planets to complete an orbit: r3/t2 = k for time t, distance r; and a constant k.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

The deal, if successful, would be the largest-ever acquisition for the owner of Circle K, which abandoned a $47 billion takeover attempt of Seven & i, the Japanese owner of 7-Eleven, last July.

From The Wall Street Journal Jul. 31, 2026

That K shape, they said, has increasingly been molded by so-called superfans — artists’ most devoted followers, who are willing to pay up for seats at the front of the house and VIP packages.

From MarketWatch Jul. 2, 2026

The suspect, named only as Serhii K under German privacy laws, is alleged to have led and co-ordinated the attack on the pipelines that transported natural gas from Russia to Germany, German media reports say.

From BBC Jul. 1, 2026

The chamber also provides precise temperature control ranging from 10 K to room temperature.

From Science Daily Jun. 24, 2026

Miss K laid down her chalk and gave up trying to teach.

From "Ralph S. Mouse" by Beverly Cleary

It was truly a scene at that time, often set to music by Robert John Burck, a. k. a. the Naked Cowboy, a fervent supporter of Mr. Trump.

From New York Times Aug. 15, 2017

But just as bell hooks, the feminist writer, and k. d. lang, the singer-songwriter, often see their names appear with unwanted capital letters, lowercase compositions are often capitalized on their way to publication.

From New York Times Mar. 17, 2017

The Japanese took to the game so wholeheartedly that today their system is actually overbuilt; generating stations with a capacity of some 300,000 k. w. lie idle.

From Time Magazine Archive

For a more detailed study of diffusion in general the following papers may be consulted:—L. Boltzmann, “Zur Integration der Diffusionsgleichung,” Sitzung. der k. bayer.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

From behind proceeds a tube, k. a canal also white and membranaceous, but it is difficult to judge of its diameter, for the membranes, of which it consists, are evidently in folds.

From New observations on the natural history of bees by Huber, François

The team combined observations from the NSF Daniel K. Inouye Solar Telescope, the world's largest solar telescope, with advanced computer simulations.

From Science Daily Aug. 8, 2026

CREW, founded in 2003 as a nonpartisan organization dedicated to government accountability and ethics, is headed by Donald K. Sherman, a former House Ethics Committee attorney and special assistant to President Joseph Biden.

From Salon Aug. 4, 2026

Now, its listing, which is held by Kori Sassower and Brian K. Lewis of Compass,

From MarketWatch May 27, 2026

It was in her classroom at Tikvah, the Jewish foundation Ms. Wisse has called home since 2014, where I first heard the idea that Josef K. was a Jew.

From The Wall Street Journal May 22, 2026

One of them, whom I was meeting for the first time, was K. D. Matanzima.

From "Long Walk to Freedom" by Nelson Mandela

New members to Circle K’s loyalty program get 25 cents off a gallon for their first five fuel-ups.

From The Wall Street Journal Mar. 14, 2026

K's foster mother said she would "support her all the time".

From BBC Mar. 12, 2026

With Albania already assured of second place, Serbia beat Latvia 2-1 in a dead-rubber in Group K's other match.

From Barron's Nov. 16, 2025

And now she has matched Coach K’s win total with Duke and Army.

From Seattle Times Jan. 19, 2024

Mr. K’s house has a bright purple door with a line sawed through the middle, a Dutch door for keeping farm animals out, or kids in.

From "The House That Lou Built" by Mae Respicio

Only four pitchers in the majors this year recorded more Ks with a single pitch.

From Los Angeles Times Oct. 20, 2024

The student didn't even care to investigate what the three Ks meant in Murillo's book title.

From Salon Sep. 23, 2023

The right-hander struck out six of his first nine batters, finishing with 10 Ks and three walks.

From Washington Times Jun. 16, 2023

Heaney departed after five innings and 10 Ks.

From Seattle Times Apr. 10, 2023

Once I felt the coast was clear, I began, first drawing the connected Ks and finishing with a wide circle around them, my custom style.

From "The Other Wes Moore: One Name, Two Fates" by Wes Moore

Hard consonants - k's, d's, hard c's and hard g's - gave me hell.

From Washington Post Dec. 21, 2010

It was because she has trouble saying words sometimes, especially beginnings, like b’s and t’s and k’s.

From Absolutely Almost by Lisa Graff

It is the repeated k's that make the croak so life-like. take him tail.

From Jamaican Song and Story Annancy stories, digging sings, ring tunes, and dancing tunes by Jekyll, Walter

Here in Fiji the singing was harsh and discordant, as k’s and r’s abound in the language.

From Wanderings among South Sea Savages and in Borneo and the Philippines by Walker, H. Wilfrid

His real name was not known in Muirtown—not because he had not given it, but because it could not be pronounced, being largely composed of x's and k's, with an irritating parsimony of vowels.

From Young Barbarians by Maclaren, Ian

Bills 31st in NFL with 16 sac ks, including 10 in 23-0 win over Redskins.

From Washington Post Dec. 1, 2011

With the construction of big military bases at Dutch Harbor, Kodiak, Fairbanks and Anchorage, Alaska became more than a massive map sprinkled with names full of harsh ks and ts.

From Time Magazine Archive

Fyodorov and his colleagues have performed more than 2,000 "radial ks" with, they claim, most of the cases improving to at least 20/25 vision.

From Time Magazine Archive

Exceptions.—X final, being equivalent to ks, is never doubled; and when the derivative does not retain the accent of the root, the final consonant is not always doubled: as, prefer' + ence = pref'erence.

From New Word-Analysis by William Swinton

J is equivalent to dzh; and X, either to ks or to gz.

From The Grammar of English Grammars by Brown, Goold

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training