noun
- the concentration of osmotically active particles in a solution, expressed as osmoles per liter
Usage: medical; chemistry
Examples
- The doctor ordered blood tests to check the patient’s serum osmolarity.
- Normal plasma osmolarity ranges from 280 to 300 mOsm/L.
- Changes in osmolarity can affect cell volume and function.
- The lab technician measured the osmolarity of the IV solution.
- Dehydration typically increases blood osmolarity.
- Osmolarity is an important factor in kidney function.