lightfastness

English

Two sides of a sign with low lightfastness, where one side has been routinely exposed to direct sunlight.

Etymology

From lightfast +‎ -ness.

Noun

lightfastness (countable and uncountable, plural lightfastnesses)

1. The quality or degree of being lightfast.

Hypernyms

• sunfastness

Related terms

• colorfastness

See also

• nonfading, unfadeable