polyanion

About 0.03 uses per million words.

Meaning

1. noun Any anion having more than one negative charge.
2. noun Any compound having multiple anion moieties, especially one based on a polymer.

Similar words

sulfated monoanion polyion dianion monoion polyanionicity polycation pseudopolyanion anionomer counteranion

Often followed by

and is in with solution to of binding on