Definition of ecto- in English:

ecto-

Pronunciation: /ˈɛktəʊ/

combining form

Outer; external: ectoderm

Origin

from Greek ektos 'outside'.

Definition of ecto- in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up