ORS

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Related to Old Red Sandstone: New Red Sandstone, Old Red Sandstone continent

ORS

oral rehydration salts.

ORS

abbreviation for oral rehydration solutions.

ORS

Oral 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.