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

thymosin

play
noun thy·mo·sin \ˈthī-mə-sən\

Definition of thymosin

  1. :  a mixture of polypeptides isolated from the thymus; also :  any of these



Origin of thymosin

Greek thymos thymus + English 1-in


First Known Use: 1966


Medical Dictionary

thymosin

play
noun thy·mo·sin \ˈthī-mə-sən\

Medical Definition of thymosin

  1. :  a mixture of polypeptides isolated from the thymus; also :  any of these polypeptides




Learn More about thymosin


Seen and Heard

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

WORD OF THE DAY

February 13, 2016

a trying or distressing experience

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 196.5 pounds 2.2 pounds 16.96 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ