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Nowadays spell check is an important part of our writing. How-do-you-spell.net is the place where you can find the correct spelling of OA and find out the common misspellings with percentage rankings. Here you can even get a list of synonyms for OA. Checking antonyms for OA may also be very helpful for you.

Spell check of OA

Correct spelling: OA

Examples of usage:

1) We have only to make the grid sufficiently negative to reduce the plate current to the value shown by the line oa in Fig. - "Letters of a Radio-Engineer to His Son", John Mills.

2) Suppose the sphere to be rotating at such a speed that while the satellite is advancing the distance Oa, the point b on the 189 sphere will be carried into the path of the satellite. - "The Birth-Time of the World and Other Scientific Essays", J. (John) Joly.

3) My response was instant: a long " Whoa- oa!" - "Desert Dust", Edwin L. Sabin.