a space between things; a void space intervening between any two objects; as, an interval between two houses or hills.-space of time between any two points or events; as, the interval between the death of charles i. of england, and the accession of charles ii.-a brief space of time between the recurrence of similar conditions or states; as, the interval between paroxysms of pain; intervals of sanity or delirium.-difference in pitch between any two tones.-alt. of intervale