What does "thin-film interference" mean?

The interference of light caused by its reflection from both boundaries of a thin film of a transparent material.

Thin-film interference

Common synonyms include: anti reflection technique, color pattern, color shifting, glare reduction method, iridescence, optical.

noun

noun ·Rare ·Advanced level

Noun

1
The interference of light caused by its reflection from both boundaries of a thin film of a transparent material. uncountable
2
An instance of this interference. countable