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

ectomorphic

play
adjective ec·to·mor·phic \ˌek-tə-ˈmȯr-fik\

Definition of ectomorphic

  1. 1 :  of or relating to the component in W. H. Sheldon's classification of body types that measures the body's degree of slenderness, angularity, and fragility

  2. 2 :  characterized by a lean slender body build with slight muscular development



Origin of ectomorphic

ectoderm + -morphic; from the predominance in such types of structures developed from the ectoderm


First Known Use: 1940


Medical Dictionary

ectomorphic

play
adjective ec·to·mor·phic \ˌek-tə-ˈmȯr-fik\

Medical Definition of ectomorphic

  1. 1:  of or relating to the component in W. H. Sheldon's classification of body types that measures the body's degree of slenderness, angularity, and fragility—compare endomorphic 1, mesomorphic 2a

  2. 2:  having a light body build—compare endomorphic 2, mesomorphic 2b

ectomorphy \ˈek-tə-ˌmȯr-fē\play noun plural ectomorphies



Learn More about ectomorphic

  1. Medical Dictionary: Definition of "ectomorphic"


Seen and Heard

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

WORD OF THE DAY

the Celtic May Day festival

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

oily prompt maudlin angry
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