coextension coextend • coextensive · · · Info · Definitions · Characters · · coextension · · Text Latin · · Script 11 · · Length Definitions · · · (noun) equality of extension or duration. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078