Definition of ectomorphic
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 : characterized by a lean slender body build with slight muscular development
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Origin and Etymology 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: 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: having a light body build—compare endomorphic 2, mesomorphic 2b
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