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ectomorph

Syllabification: (ec·to·morph)
Pronunciation: /ˈektəˌmôrf/
Definition of ectomorph

noun

Physiology

Derivatives

ectomorphic

Pronunciation: /ˌektəˈmôrfik/
adjective

ectomorphy

noun

Origin:

1940s: ecto- from ectodermal (being the layer of the embryo giving rise to physical characteristics that predominate) + -morph

ectomorph in other Oxford dictionaries

Definition of ectomorph in the British & World English dictionary