We don't have synonyms for arsenic acids yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are arsenic acid, arsonic acid and arsinic acid.
(n) :
(inorganic chemistry) A poisonous, white crystalline compound, H₃AsO₄, formed from arsenic pentoxide and water; it has the same structure as phosphoric acid, and is used in the manufacture of arsenates.
(n) :
(inorganic chemistry) A poisonous, white crystalline compound, H₃AsO₄, formed from arsenic pentoxide and water; it has the same structure as phosphoric acid, and is used in the manufacture of arsenates.