Hyperosmotic

Part of speech: adjective

Definitions

1. A condition is described when a solution has a higher concentration of solutes than another, resulting in water flowing towards it
2. This term refers to a scenario where a liquid exhibits greater osmotic pressure due to a higher solute content, influencing water movement
3. A state is characterized by one solution having a greater concentration of solutes compared to another, causing water to move toward the more concentrated solution

Etymology: "Hyperosmotic" is a plain technical compound: the prefix "hyper-" joined to "osmotic." The prefix comes from Ancient Greek "hyper," meaning "over" or "beyond," which descends from a Proto-Indo-European root for "over" or "up." In Greek it appeared as a prefix meaning excess or going beyond a normal limit, and English has long borrowed it in this sense for words such as "hyperactive" and "hypertension." The second half, "osmotic," describes osmosis, the movement of water across a semipermeable membrane toward the side with more dissolved particles. Combining the two gives a term for a solution whose solute concentration exceeds that of another solution, so water tends to flow toward it. The word was formed in English from these existing parts, so its meaning follows directly from them: "hyper-" marks the higher concentration, and "osmotic" names the water movement that results.

Synonyms: hypertonic

Antonyms: hypoosmotic