Definition of -merous in English:

-merous

combining form

Biology
Having a specified number of parts: pentamerous

Origin

on the pattern of words such as (di)merous (see also -mer).

Definition of -merous in:

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Word of the day oleaginous
Pronunciation: ˌəʊlɪˈadʒɪnəs
adjective
rich in, covered with, or producing oil; oily