English English Wikipedia has an article on:ArtexWikipedia Etymology British trade name, perhaps art + -ex? Proper noun Artex A surface coating used for interior decorating, most often found on ceilings, allowing the decorator to add a texture. It formerly contained asbestos, now known to be harmful. Derived terms artexed Anagrams extra, extra-, retax, taxer Wikiwand - on Seamless Wikipedia browsing. On steroids.