polyanion
English
Etymology
From
poly-
+
anion
.
Noun
polyanion
(
plural
polyanions
)
(
chemistry
)
Any
anion
having more than one
negative
charge
.
(
chemistry
)
Any compound having multiple
anion
moieties, especially one based on a
polymer
.
See also
polycation
polyelectrolyte
polyion