'O' definitions:

Definition of 'O'

noun

A nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust [syn: oxygen, O, atomic number 8]

noun

The 15th letter of the Roman alphabet [syn: O, o]

noun

The blood group whose red cells carry neither the A nor B antigens; "people with type O blood are universal donors" [syn: O, type O, group O]

Words containing 'O'

O for,
oed,
I O U,
O Trifole,
O vastator,
O'Brien,
O'Donnell,
O'Fallon,
O'Kean,
O'Neill,
group o,
o level,
o ring,
o'casey,
o'clock,
o'connor,
o'er,
o'flaherty,
o'hara,
o'keeffe,
o'toole,
o. henry,
penicillin o,
type o,
Chain O' Lakes,
Jell-O,
Land O' Lakes,
Land o' cakes,
O'Brien County,
O'Brien, IA,
O'Brien, TX,
O'Donnell, TX,
O'Fallon, IL,
O'Fallon, MO,
O'Hara Township,
O'Kean, AR,
O'Neill, NE,
Tom o' Bedlam,
david o. selznick,
e. o. lawrence,
e. o. wilson,
edna o'brien,
eugene o'neill,
flannery o'connor,
four o'clock,
liam o'flaherty,
peter o'toole,
sean o'casey,
Cat o' nine tails,
Chain O' Lakes, WI,
Chain-O-Lakes,
Four-o'clock,
Jack-o'-lantern,
Land O' Lakes, FL,
Light-o'-love,
O'Brien County, IA,
O'Hara Township, PA,
Tam-o'-shanter,
Ten-o'clock,
Vitre-o-electic,
Will-o'-the-wisp,
Y-O Ranch,
california four o'clock,
colorado four o'clock,
desert four o'clock,
eugene gladstone o'neill,
jack-o-lantern,
john henry o'hara,
kate o'flaherty chopin,
mary flannery o'connor,
mountain four o'clock,
peter seamus o'toole,
sweet four o'clock,
trailing four o'clock,
Chain O' Lakes-King,
Chain-O-Lakes, MO,
Hop-o'-my-thumb,
Peep-o'-day boys,
Y-O Ranch, WY,
common four-o'clock,
four-o'clock family,
jack-o-lantern fungus,
Chain O' Lakes-King, WI,
cat-o'-nine-tails,
oscar fingal o'flahertie wills wilde,
6-O-alpha-L-rhamnosyl-D-glucose