1. A period of time that is longer than usual or initially planned; a prolonged duration between two points in time
The project required an extended interval for completion due to unforeseen complications.
O projeto exigiu um intervalo estendido para conclusão devido a complicações imprevistas.
2. In music, an interval between two notes that spans more than one octave or a wider range than standard
The composer used an extended interval to create a dramatic effect in the symphony.
O compositor utilizou um intervalo estendido para criar um efeito dramático na sinfonia.
3. In mathematics or science, a continuous set or range of values over a longer period or distance
The data was analyzed over an extended interval of five years.
Os dados foram analisados durante um intervalo estendido de cinco anos.