ORS(redirected from Old Red Sandstone)
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Related to Old Red Sandstone: New Red Sandstone, Old Red Sandstone continent
ORSoral rehydration salts.
abbreviation for oral rehydration solutions.
ORSOral rehydration solution
Oral Rehydration Solution (ORS)
A liquid preparation developed by the World Health Organization that can decrease fluid loss in persons with diarrhea. Originally developed to be prepared with materials available in the home, commercial preparations have recently come into use.