Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

leuk-

combining form

Definition of leuk-

  1. 1 :  white :  colorless :  weakly colored <leukocyte> <leukorrhea>

  2. 2 :  leukocyte <leukemia>

  3. 3 :  white matter of the brain <leukotomy>



Variants of leuk-

or

leuko-

Origin and Etymology of leuk-

New Latin leuc-, leuco-, from Greek leuk-, leuko-, from leukos — more at light


Medical Dictionary

leuk-

combining form

Medical Definition of leuk-

  1. 1:  white :  colorless :  weakly colored <leukocyte> <leukorrhea>

  2. 2:  leukocyte <leukemia>

  3. 3:  white matter of the brain <leukoencephalitis>



Variants of leuk-

or

leuko-

or chiefly British

leuc-

or

leuco-


Seen and Heard

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

WORD OF THE DAY

looking or feeling very sad

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

dog-eating-apple

Which is a synonym of asperse?

placate defame beat divulge
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