1.263 second ============ ES: segunda, I: seconda, F: seconde, D: Sekunde, NL: secunde, DK: sekund, S: sekund, FI: sekunti. The interval between two neighboring tones of a scale. A diatonic scale consists of alternating semitones and whole tones, hence the size of a second depends on the scale degrees in question. See also ........ DONTPRINTYET diatonic scale, interval, semitone, *noteDONTPRINTYET diatonic scale, interval, semitone, whole tone.