The term "flanger" refers to an effect usually used in music recording and production. This audio effect produces a sonic wave that creates a 'whooshing' sound. Though widely used in music production, "flanger" is not the only word to describe this effect, and there are several synonyms that are commonly used. One of the common synonyms for flanger is phaser, which is a similar effect that produces a sweeping phasing sound. Another synonym for flanger is chorus, which produces a warmer, more subtle 'whooshing' sound. Additionally, other words sometimes used interchangeably with flanger include modulation, delay, and echo. These terms might refer to the same effect or a related effect that produces a similar sound.