1

k

noun, often capitalized, often attributive \ ˈkā \

Definition of k

plural k's or ks play \ˈkāz\
1 a :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

Examples of k in a Sentence

  1. There is one k in “book.”

  2. The word ends in k.

  3. She earned a salary of $30K.

  4. The program uses 350K of disk space.

  5. The pitcher had more than 10 Ks in his last game.

First Known Use of k

before 12th century

Other Alphabet Terms


2

k

abbreviation

Definition of k

1 karat
2 kindergarten
3 king
4 kitchen
5 knit
6 knot
7 koruna
8 kosher often enclosed in a circle
9 kyat

1

K

abbreviation

Definition of K

1 Kelvin
2 kilometer

2

K

symbol

Definition of K

potassium

Origin and Etymology of k

New Latin kalium


K Defined for Kids

k

noun, often capitalized \ ˈkā \

Definition of k for Students

plural k's or ks \ˈkāz\
1 :the eleventh letter of the English alphabet
2 :1thousand 1

Medical Dictionary

K

symbol

medical Definition of K

1 dissociation constant; ionization constant
2
[New Latin kalium]
potassium
3 kelvin

Learn More about k


Seen and Heard

What made you want to look up k? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

spoken rather than written

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!