Acid in Malayalam

Malayalam words whose English meaning includes “acid”:

അംഗാരവായു (amgaravayu) — Carbonic acid gas.carbon dioxide.
അമ്ലമഴ (amlamazha) — Acid rain.
നേര്‍പ്പിക്കുക (nerppikkuka) — Make thin, dilute, bring down the concentration (of an acid etc.).