nonyellowing
/nɑnˈjɛloʊɪŋ/
adjective
- Describing a material or substance that does not turn yellow over time, especially when exposed to light or air.
- They chose a nonyellowing plastic for the window frames to keep them looking new.
- This nonyellowing glue remains clear even after many years.
- The artist used a nonyellowing varnish to protect the painting for decades.