Dictionary
sol•i•on
Pronunciation: (sol'ī"un, -on), [key]—
n.
Chem., Elect.a low-frequency amplifying device that operates by controlling the flow of ions in solution: some types, as the micropump, accomplish this by means of electro-osmotic pressure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.