Ectomorph Definition

ĕktə-môrf
noun
An ectomorphic individual.
Webster's New World
An individual having a lean, slightly muscular body build in which tissues derived from the embryonic ectoderm predominate.
American Heritage Medicine
(bodybuilding): Theoretical body type in which a person has a high metabolism. Such a person can easily maintain a low fat physique, but does not add muscle or body weight easily.
Wiktionary

Other Word Forms of Ectomorph

Noun

Singular:
ectomorph
Plural:
ectomorphs

Origin of Ectomorph

  • Derived from ectoderm +‎ -morph from William Herbert Sheldon.

    From Wiktionary

  • ecto(derm) –morph

    From American Heritage Dictionary of the English Language, 5th Edition

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