O


Meaning of O in English

n.

Variant: or oo-

Function: combining form

Etymology: Greek ō i-, ō io-, from ō ion ― more at EGG

: egg < oo logy> specifically : ovum < oo gonium>

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.