Home › Words › H › hyperosmosishyperosmosishyperosmosis means abnormally rapid osmosis.EtymologyFrom hyper- + osmosis.nounAbnormally rapid osmosisDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.hyperosmolarity 79% match — An abnormally high osmolarity vs hyperosmosis →hypoosmolarity 73% match — An abnormally low osmolarity vs hyperosmosis →hyperosmotic 70% match — hypertonic vs hyperosmosis →hyperosmolal 68% match — Relating to hyperosmolality vs hyperosmosis →hydroosmotic 67% match — Relating to osmosis of water vs hyperosmosis →hyperosmolar 66% match — Of, pertaining to, or as a result of hyperosmolarity. vs hyperosmosis →osmolysis 64% match — The rupture of a cell wall due to excessive osmotic pressure vs hyperosmosis →osmodiuretic 64% match — An osmotic diuretic vs hyperosmosis →