hydrargyron

== English == === Pronunciation === IPA(key): /haɪˈdɹɑːd͡ʒɪɹɒn/ === Noun === hydrargyron (uncountable) Obsolete form of hydrargyrum. 1563, Thomas Gale, Treatise Gonneshot, page 9b (Stanf. s.v. Guiacan): Vnguentes receyuing into there composition Hydrargyron. Unguents receiving into their composition hydrargyrum.