colorfastnesses
/ˈkʌlərˌfæstnəsɪz/
noun
- The quality of a material or dye that does not fade or run when washed or exposed to light.
- Manufacturers often advertise the colorfastnesses of their denim jeans.
- The colorfastnesses of different fabrics were tested in the lab.
- The colorfastnesses of the vintage rug surprised the conservator.