Home › Words › M › macrohistonemacrohistonemacrohistone · noun — A relatively large histone.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, macrohistone ranks #16,851 of 42,854 for Qualifying.EtymologyFrom macro- + histone.nounA relatively large histoneDefinitions & examples from Wiktionary (CC BY-SA 3.0).