What does the term "accelerando" refer to in tempo?

The term "accelerando" specifically refers to a gradual increase in tempo, indicating that the music should be played increasingly faster over a designated passage. This dynamic change in speed adds excitement and momentum to the music, creating a sense of urgency or building tension. It is a common directive in musical notation that musicians recognize and implement in their performance, ensuring the intended emotional effect of the piece is achieved. Understanding terms like "accelerando" is fundamental for performers as it shapes the interpretation and expression of the music.