O.S.A.

American  

abbreviation

1. Order of St. Augustine (Augustinian).

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OSA British  

abbreviation

1. Order of Saint Augustine

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Example Sentences

Over the course of the study, people with O.S.A. were nearly three times as likely to be diagnosed with depression, and almost twice as likely to be diagnosed with anxiety as those in the control group.

From New York Times

Obstructive sleep apnea, or O.S.A., is a sleep-related breathing disorder that has been linked to many other conditions, including cardiovascular disease, asthma exacerbation, glaucoma, erectile dysfunction and neurocognitive problems.

From New York Times

Women with O.S.A. were more likely than men to develop a mood disorder.

From New York Times

Still, they write, “studies that investigate O.S.A. management and the risk of developing affective disorders may yield strategies for effective prevention and intervention practices.”

From New York Times

As pointed out by Rev. T. C. Middleton, O.S.A., in a letter dated December 8, 1902, the only regulars in the Philippines who could rightfully be styled “monks” were the Benedictines.

From Project Gutenberg