ground state ground starling • ground strake · · · Info · Definitions · Characters · · ground state · · Text Common · · Latin · · Scripts 12 · · Length 2 · · Syllables Definitions · · · (noun) (physics) the lowest energy state of an atom or other particle. Synonyms: ground state. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075