Home › Words › M › myxastheniamyxastheniamyxasthenia · noun — A reduced secretion of mucus.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom myxo- + asthenia. By surface analysis, myx- (“mucus”) + a- (“not”) + sthen- (“strength”) + -ia (“disease”).nounA reduced secretion of mucusDefinitions & examples from Wiktionary (CC BY-SA 3.0).