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ectomorphic

American  
[ek-tuh-mawr-fik] / ˌɛk təˈmɔr fɪk /

adjective

  1. having a thin body build, roughly characterized by the relative prominence of structures developed from the embryonic ectoderm (endomorphic,mesomorphic ).

Other Word Forms

  • ectomorphy noun

Etymology

Origin of ectomorphic

First recorded in 1935–40; ecto- + -morphic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.