Definitions

1. noun

The advancing edge of a wave, especially in the context of a light wave or an electromagnetic wave; the boundary between a region of disturbed and undisturbed medium.

“The new technology uses the wavefront of light to create a high-resolution image.”

2. noun

The leading edge of a disturbance or phenomenon, such as a sound wave or a social movement.

“The wavefront of the protest swept through the city, drawing attention to the cause.”