We don't have synonyms for metalate yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are mutilate, retaliate and metallate.
(n) :
Alternative spelling of metallate. [(chemistry) Any anion or salt containing a metal atom ligated to one or more oxygen or other atoms, or to small groups; e.g. tungstate, tetrathiomolybdate or ferrocyanide]
(n) :
Alternative spelling of metallate. [(chemistry) Any anion or salt containing a metal atom ligated to one or more oxygen or other atoms, or to small groups; e.g. tungstate, tetrathiomolybdate or ferrocyanide]