Osmotic/ɑːzˈmɑːtɪk/ Definition 1 of 1Pro Tip 1/3Scientific Context The word 'osmotic' is often used in scientific or technical contexts. In biology class, we studied osmotic movement of water in cells. Pro Tip 2/3Not Human-Triggered 'Osmotic' involves a natural process, not one initiated by people. Osmotic processes in plant roots help them absorb water from the soil. Pro Tip 3/3Physical Barrier 'Osmotic' implies movement across a barrier, like a cell membrane. The osmotic transfer of nutrients is vital for cell health.