Definition of ecto- in English:


Syllabification: ecto-

combining form

Outer; external; on the outside (used commonly in scientific terms): ectoderm ectoparasite


from Greek ektos 'outside'.

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Word of the day middlescent
Pronunciation: ˌmɪdəˈlɛs(ə)nt
middle-aged, but still maintaining youthful interests and activities