Of a liquid, having a higher osmotic pressure (usually than the physiological level). ... (18 Nov 1997) ... 
Of a liquid, having a higher osmotic pressure (usually than the physiological level).
Type: Term Pronunciation: hī′pĕr-oz-mot′ik Definitions: 1. Having an osmolality greater than another fluid, ordinarily assumed to be plasma or extracellular fluid. 2. Relating to increased osmosis.
hyperosmotic 1. Relating to or characterized by increased osmosis. 2. Of a liquid, having a higher osmotic pressure than the normal physiological level.