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

Medical Dictionary

growth hormone

noun

Medical Definition of growth hormone

  1. :  a vertebrate polypeptide hormone that is secreted by the anterior lobe of the pituitary gland and regulates growth; also :  a recombinant version of this hormone—called also somatotropic hormone, somatotropin; see human growth hormone




Learn More about growth hormone


Seen and Heard

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

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift kittly-benders pince-nez duvet
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