oxoanion
Noun
Meaning
oxoanion (plural oxoanions)
(chemistry) Any anion derived from an oxoacid
Examples
Basic (ortho-)silicate oxoanion ( SiOmain ) structure A silicate is a compound containing an anionic silicon compound.
Consider the chlorine oxoanion family: First, think of the -ate ion as being the "base" name, in which case the addition of a per- prefix adds an oxygen.