Isotonic
/ˌaɪsəʊˈtɑːnɪk/adjective
Refers to two or more solutions that have the same pressure across a semipermeable membrane.
The water and the cells are isotonic, which means they have the same concentration.
Often appears as...
- isotonic solution
- isotonic environments
Usage tips
Formal
Technical
Definition 1 of 3
Pro Tip 1/3Semipermeable Relevance
Understand that 'isotonic' involves a membrane that lets some things pass through, which is key in biology and chemistry.
I learned that blood and saline are isotonic, enabling safe IV infusions.
Pro Tip 2/3Pressure Equilibrium
'Isotonic' signifies equal pressure, which prevents cells from swelling or shrinking.
The lab technician explained how the isotonic solution prevents red blood cells from bursting.
Pro Tip 3/3Not Energy Related
Don't confuse 'isotonic' with 'isotopic'; isotonic doesn't refer to energy or isotopes.
Her confusion with 'isotonic' and 'isotopic' led to a mix-up in the science report.
Compare with
balanceisometric
Never forget "Isotonic"
Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension