substation substantize • substernal · · · Info · Definitions · Characters · · substation · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a subsidiary station where electricity is transformed for distribution by a low-voltage network. · · Noun Definition 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 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 u latin small letter u U+0075