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Glite Dictionary
lightfastness

lightfastness

1 8.2
How well a color or dye stays bright in light
  • noun
  • /ˈlaɪtˌfæstnəs/
  • Specialized
: resistencia a la luz
  • Manufacturers test the lightfastness of fabrics to ensure they do not fade quickly in sunlight.

Examples

  • The lightfastness of this paint is impressive.

  • Artists often choose materials with high lightfastness to ensure their artwork remains vibrant over time.

  • High lightfastness is important for artists who want their paintings to last for many years.

  • The lightfastness of a pigment determines how well it maintains its color over time.

  • Many artists prefer pigments with high lightfastness.

  • When selecting fabrics, it is crucial to consider the lightfastness of the dyes used to prevent fading in sunlight.

  • The lightfastness of this pigment means it will maintain its color even after prolonged exposure to bright light.

Synonyms

fastness
vslightfastness
1 8.4

Firm and stable quality that keeps something from moving or breaking

applies only to resisting fading from light rather than general stability
colorfastness
vslightfastness
  • US
1 5.8

The ability of cloth to keep its color in washing and sunlight without fading or bleeding

focuses specifically on resisting fading caused by light

Antonyms

fading
6 3.0

A slow loss of strength, color, or sound over time

How Lightfast

lightfastness
  • Specialized
1 8.2
colorfastness
  • US
1 5.8

Surface Forms

lightfastness singular
lightfastnesses plural

Morphology

lightfastness = lightfast (semi-transparent) = light + fast + ness

The noun is formed regularly from the adjective 'lightfast' with '-ness', yielding the state or quality denoted by the adjective.

Etymology

Lightfastness comes from light and fastness, where fast means 'firm' or 'fixed', the same fast you see in steadfast, not 'quick'. So lightfastness is a way to say how well a color or dye 'holds' against light, meaning how well it keeps its color and does not fade in sunlight.