Ectomorph

Pronunciation

• RP IPA: /ˈɛktəʊmɔːf/
• US IPA: /ˈɛktoÊŠmɔːrf/, /ˈɛktÉ™mɔːrf/

Origin

Derived from ectoderm + -morph from William Herbert Sheldon.

Full definition of ectomorph

Noun

1. Someone with a lean, only slightly muscular body
2. (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.

Synonyms

• hard gainer

Derived terms

• ectomorphic
• ectomorphy