k

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Symbol.

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

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Words nearby k

jwlr., J.W.V., Jy, Jylland, Jyväskylä, k, K2, ka, Kaaba, kaal, Kaapstad

Other definitions for k (2 of 8)

K¹

or k

[ key ]

/ keɪ /

noun, plural K's or Ks, k's or ks.

the eleventh letter of the English alphabet, a consonant.

any sound represented by the letter K or k, as in bilk, kit, or sick.

something having the shape of a K.

a written or printed representation of the letter K or k.

a device, as a printer's type, for reproducing the letter K or k.

Other definitions for k (3 of 8)

K²

abbreviation

the number 1000: The salary offered is $20K.

kilometer, especially in a footrace or wheelchair race on a road or track: She’s training to run her first 10K this summer.

Origin of K

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

Other definitions for k (4 of 8)

K³

abbreviation

Chess. king.

Physics. Kelvin.

Music. Köchel listing.

kindergarten: a K–12 boarding school.

Real Estate. kitchen.

Other definitions for k (5 of 8)

K⁴

Symbol.

the eleventh in order or in a series.

Computers.

the number 1024 or 210: A binary 32K memory has 32,768 positions.
kilobyte.

Baseball. strikeout; strikeouts.

Physics. kaon.

Biochemistry. lysine.

Chemistry. potassium.

Origin of K

⁴

def. 6 from German Kalium

Other definitions for k (6 of 8)

abbreviation Ecology.

carrying capacity.

Other definitions for k (7 of 8)

abbreviation

Electricity. capacity.

karat.

kilogram; kilograms.

Chess. king.

knight.

knot.

kopeck.

Other definitions for k (8 of 8)

abbreviation

kip; kips.

Knight.

kwacha.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use k in a sentence

We had the big drop, and for much of the country who are on the up part of the K, things are pretty good.
The economy added 245,000 jobs in November, the slowest month of growth since recovery began|Eli Rosenberg|December 4, 2020|Washington Post
It goes considerably beyond the simple mix of N, P, and K that plants need to grow.
Junk Food Is Bad For Plants, Too - Issue 90: Something Green|Anne Biklé & David R. Montgomery|September 23, 2020|Nautilus
The system also allows for 4K passthrough with HDR, which maintains the integrity of the signal sent from your high-end TV.
Best surround-sound systems for your home entertainment center|PopSci Commerce Team|July 21, 2020|Popular-Science
Japan last claimed the top spot with its K computer in 2011.
The World’s New Fastest Supercomputer Is an Exascale Machine for AI|Jason Dorrier|June 25, 2020|Singularity Hub

“Please, please do not permit this to happen here in Florida,” wrote Cris K. Smith of East Polk County.
Jeb Bush’s Unseen Anti-Gay Marriage Emails|Jackie Kucinich|January 9, 2015|DAILY BEAST
His monotonous music is, really, like the audio soundtrack to a k-hole.
The Cult of Yung Lean: ‘I’m Building An Anarchistic Society From the Ground Up’|Marlow Stern|January 4, 2015|DAILY BEAST
Only the L, K, and A of the old sign remain stuck to the side of the office.
The Congo's Forgotten Colonial Getaway|Nina Strochlic|December 18, 2014|DAILY BEAST
Maybe giving Deborah K. Jones, our Ambassador to Libya, a 9mm SIG Sauer and a pair of nunchucks.
The GOP Senate: A New Utopia Dawns|P. J. O’Rourke|November 8, 2014|DAILY BEAST
She alleges that he and twenty-or-so named colleagues collectively abused “alcohol, cocaine, mushrooms, Special-K, heroin.”
The Very Rich Should Divorce Very Quietly|Vicky Ward|November 6, 2014|DAILY BEAST
What more could one desire of him, I pray, Than just to hop around and stand for K?
Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)|Various
Had he not meant the Fleet to shove in K. must have made some reference to the second Division, surely.
Gallipoli Diary, Volume I|Ian Hamilton
In writing K. I try to convey the truth in terms which will neither give him needless anxiety or undue confidence.
Gallipoli Diary, Volume I|Ian Hamilton
Well, to steer a middle course between my duty to my force and my loyalty to K. is not so simple as it might seem.
Gallipoli Diary, Volume I|Ian Hamilton
As a fighting unit they are on their last legs and when they will be set upon their feet again Lord K. knows.
Gallipoli Diary, Volume I|Ian Hamilton

British Dictionary definitions for k (1 of 4)

symbol for

kilo(s)

maths the unit vector along the z-axis

British Dictionary definitions for k (2 of 4)

K

/ (keɪ) /

noun plural k's, K's or Ks

the 11th letter and 8th consonant of the modern English alphabet

a speech sound represented by this letter, usually a voiceless velar stop, as in kitten

See five Ks

British Dictionary definitions for k (3 of 4)

K.

abbreviation for

Köchel: indicating the serial number in the catalogue (1862) of the works of Mozart made by Ludwig von Köchel (1800–77)

British Dictionary definitions for k (4 of 4)

symbol for

kelvin(s)

chess king

chem potassium

physics kaon

currency

kina
kip
kopeck
kwacha
kyat

one thousand

computing

a unit of 1024 words, bits, or bytes
(not in technical usage) 1000

abbreviation for

Cambodia (international car registration)

Word Origin for K

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

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

Scientific definitions for k

Abbreviation of kelvin

The symbol for potassium.