WordReference Random House Unabridged Dictionary of American English © 2026
sol•i•on
(sol′ī′ən, -on),USA pronunciation n.
- Chemistrya 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.
- sol(ution) + ion 1955–60
'solion' also found in these entries (note: many are not synonyms or translations):