beta wave beta vulgaris vulgaris • betaxed · · · Info · Definitions · Synonyms · Characters · · beta wave · · Text Common · · Latin · · Scripts 9 · · Length 3 · · Syllables Definitions · · · (noun) the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz. Synonyms: beta rhythm, beta wave. · · Noun Definition 1 Synonyms · · · beta rhythm · · 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 t latin small letter t U+0074 v latin small letter v U+0076 w latin small letter w U+0077