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:

Alcoa san k 7% after the aluminum producer’s first-quarter earnings and revenue fell short of analysts’ expectations.

From Barron's Apr. 17, 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

Repeat this algorithm for all one-digit numerical values of i, j and k, and the result will always be either a happy or a sad number.

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

As Pennsylvania was a free state and Maryland was a slave state, it came to be regarded as the border between the free North and slaveholding South. k Several Civil War battles have two names.

From "Lincoln's Last Days: The Shocking Assassination that Changed America Forever" by Bill O'Reilly

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

Because its season finale aired after the May 31 eligibility deadline, K Callan’s showcase episode opposite Rhys isn’t eligible, though anyone who watched the series might be inclined to vote for the 90-year-old actor anyway.

From Los Angeles Times Jul. 7, 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

“But Miss K, don’t you think we should try to find Ralph? Somebody might step on him.”

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

Now king Henrie hearing of the good successe of his men, passed ouer The k. passeth ouer to Normandie.

From Chronicles of England, Scotland and Ireland (2 of 6): England (3 of 12) Henrie I. by Raphael Holinshed

Then join the points i. and b. and k. and f. respectively, by the lines i. b. and k. f.

From Of the Just Shaping of Letters by Albrecht D?rer

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

“Paradise” star Sterling K. Brown and “Slow Horses” lead Gary Oldman are joined by “Task” star Mark Ruffalo and “The Diplomat” co-star Rufus Sewell in taking on Wyle for best drama actor.

From Salon Jul. 9, 2026

In the first significant ruling in its lawsuit against Meta, the firm scored a surprise win: On June 11, federal Judge Eumi K. Lee of San Jose denied Meta’s motion to dismiss the case.

From Los Angeles Times Jun. 18, 2026

Prosecutors allege that the man, identified in a press release as Serhii K., was aboard the boat that ferried the divers to the pipeline.

From The Wall Street Journal Jun. 12, 2026

The agent promptly scolded K. “You ought to be ashamed of yourself,” she said.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt

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

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

Stanford bound Mike Erspamer with the complete game shutout & 9 K’s; Kai Cesare with a 2 run double.

From Los Angeles Times May 1, 2025

The ombudsman has recommended Betsi Cadwaladr health board offer a full apology from its chief executive to Mrs K's daughter and to pay her £4,000.

From BBC Aug. 29, 2024

More than Miss K’s hair was needed to repair that wreck.

From "Ralph S. Mouse" by Beverly Cleary

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

From Los Angeles Times Oct. 20, 2024

Gooden entered through a “K Korner” outside the home dugout, a nod to how fans at Shea Stadium hung Ks for each strikeout.

From Seattle Times Apr. 14, 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

He always curled the tip of his Ks, and his Zs looked like chubby 3s.

From "I Will Always Write Back" by Caitlin Alifirenka and Martin Ganda

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

The k's and g's liable to labialization in Eu. languages appear to be occasionally labialized in Dakotan languages.

From The Dakotan Languages, and Their Relations to Other Languages by A. W. (Andrew Woods) Williamson

It was not pedantic philology at which he aimed, though he did not disdain occasional picturesque archaisms, such as "yatches" for "yachts," or despise the artful aid of terminal k's, long s's, and old-cut type.

From De Libris: Prose and Verse by Austin Dobson

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 Ian Maclaren

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

It is the peculiar quality of s, that it may be sounded before all consonants, except x and z, in which s is comprised, x being only ks, and z a hard or gross s.

From A Grammar of the English Tongue by Samuel Johnson

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

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

Start training