meaning of o
1. denoting a quantity consisting of one thousand million items or units in the United States
Related Words
a billion | a couple of | a fortiori | a good deal | a horizon | a hundred and one | a hundred thousand | a la mode | a lot | a million | a million times | a people | a posteriori | a priori | a simplified pascal by per brinch hansen with {modules} and | a thousand | a tools integration standard | a trillion | a zillion | a-bomb | a-horizon | a-mornings | a-ok | a-okay | a-one | a-tiptoe | a. a. michelson | a. conan doyle | a. e. housman | a. e. w. mason |