Definition of porta- in English:

porta-

Syllabification: porta-

combining form

Denoting something that is movable or portable, often used as part of a proprietary name: Portaloo Portalife

Origin

from portable.

Definition of porta- in:

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Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal