oo-


Also found in: Medical.

oo-

(word root) egg
Examples of words with the root oo-: oocyte

oo-

pref.
Egg; ovum: oogenesis.

[Greek ōio-, from ōion, egg; see awi- in Indo-European roots.]

oo-

or

oö-

combining form
egg or ovum: oosperm.
[from Greek ōion egg1]

oo-

a combining form meaning “egg”: oogamete.
[< Greek ōio-, comb. form of ōión egg1]