k

noun, often capitalized, often attributive

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\ ˈkā

plural k's or ks\ ˈkāz

Definition of k

(Entry 1 of 4)

1a : the 11th letter of the English alphabet

b : a graphic representation of this letter

c : a speech counterpart of orthographic k

2 : a graphic device for reproducing the letter k

3 : one designated k especially as the 11th in order or class

4 : something shaped like the letter K

5 : a unit vector parallel to the z-axis

6 [kilo-] : thousand a salary of $24K

7 [kilo-] : a unit of computer storage capacity equal to 1024 bytes uses 350K of disk space

8 capitalized [struck] : strikeout

abbreviation (1)

Definition of k (Entry 2 of 4)

1 karat

2 kindergarten

3 king

4 kitchen

5 knit

6 knot

7 koruna

8 kosher —often enclosed in a circle

9 kyat

abbreviation (2)

Definition of K (Entry 3 of 4)

1 Kelvin

2 kilometer

symbol

Definition of K (Entry 4 of 4)

potassium

Words Starting With K More Example Sentences Learn More About k

Examples of k in a Sentence

Noun There is one k in “book.” The word ends in k. She earned a salary of $30K. The program uses 350K of disk space. The pitcher had more than 10 Ks in his last game.

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From the Editors at Merriam-Webster

Dictionary Entries Near k

Jyvaskyla

Statistics for k

Last Updated

15 Apr 2022

Cite this Entry

“K.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/k. Accessed 27 May. 2022.

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More Definitions for k

noun, often capitalized

\ ˈkā

plural k's or ks\ ˈkāz \

Kids Definition of k

1 : the eleventh letter of the English alphabet

2 : thousand entry 1 sense 1

3 : kilobyte

symbol

Medical Definition of K

1 dissociation constant; ionization constant

2 [New Latin kalium] potassium

3 kelvin

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