automobile battery automobile • automobile board · · · Info · Definitions · Synonyms · Characters · · automobile battery · · Text Common · · Latin · · Scripts 18 · · Length 9 · · Syllables Definitions · · · (noun) a lead-acid storage battery in a motor vehicle; usually a 12-volt battery of six cells; the heart of the car's electrical system. Synonyms: car battery, automobile battery. · · Noun Definition 1 Synonyms · · · car battery · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079