1. not tending to turn yellow or become discolored with age or exposure
Usage: technical; commonly used in materials science and product descriptions

Examples

• The nonyellowing varnish kept the wood looking fresh for years.
• This nonyellowing plastic coating resists UV damage and discoloration.
• The manufacturer advertised the paint as nonyellowing to appeal to customers concerned about durability.
• Nonyellowing adhesives are preferred in archival and restoration work.
• The nonyellowing formula ensures that white fabrics remain bright even after prolonged storage.