oo-

¹

1. a combining form meaning “egg,” used in the formation of compound words:

   oogamous.

o'o

²

or 'ō·'ō

[ oh-oh ]

noun

, plural o’·os.

1. any of several species of Hawaiian birds of the extinct genus Moho, especially the extinct M. nobilis ( Hawaiian o'o ), which had black plumage and two tufts of yellow plumes used to make ceremonial robes for the Hawaiian kings. The last surviving species was M. braccatus ( Kauai o'o ), classified as extinct in 1987.

oo-

combining_form

1. egg or ovum

   oosperm

Word History and Origins

Origin of oo-¹

< Greek ōio-, combining form of ōión egg ¹

Origin of oo-²

First recorded in 1885–90; from Hawaiian ʿōʿō

Word History and Origins

Origin of oo-¹

from Greek ōion egg ¹

Example Sentences

His personal assistant, U Myint Oo, confirmed his death, in a hospital.

From New York Times

He said that Mr. Tin Oo had a weak heart and died of kidney failure and pulmonary edema.

From New York Times

Once one of the most powerful figures in what is now Myanmar, Mr. Tin Oo founded the National League for Democracy, the country’s main opposition party, with Daw Aung San Suu Kyi during a violent failed pro-democracy uprising in 1988.

From New York Times

She is again in detention, and it was not clear whether she had been informed of Mr. Tin Oo’s death.

From New York Times

“Daw Aung San Suu Kyi would be deeply saddened to hear of his passing, as she has lost a trusted confidant,” Mr. Myint Oo said.

From New York Times