What does the term "accelerando" indicate in music?

The term "accelerando" in music indicates a gradual increase in tempo, meaning that the music should be played quicker over time. This term is derived from the Italian word "accelerare," which means to hasten. When a composer uses "accelerando" in a piece, they are instructing the performer to gradually speed up the pace of the music, creating a sense of excitement or momentum as the piece progresses. This is often used in conjunction with other musical elements to enhance the emotional impact of the piece. Understanding this term is essential for interpreting dynamics and phrasing in music accurately.