[sol-ahy-uh n, -on]
  1. Chemistry, Electricity. 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.

Origin of solion

First recorded in 1955–60; sol(ution) + ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018