alternating light

noun

, Navigation.

1. a beacon showing different colors in succession.

Example Sentences

The alternating light and darkness here, and throughout “Ever After,” is a wonderful leitmotif for the women’s labyrinthian path, the journey of heroes.

From Los Angeles Times

Make a stack of 4 dough squares, alternating light and dark doughs.

From Seattle Times

Their trunks made patterns of alternating light and dark beneath the canopy of branches.

From Literature

The chain catshark has an alternating light and dark fluorescent pattern but no spots.

From National Geographic

The result is a series of alternating light and dark ridges.

From Scientific American