ˈspray-on adjectiveadj [only before noun] a spray-on substance can be sprayed from a container onto a surface 喷雾式的，喷涂式的 a spray-on water repellent for clothing 衣物防水喷剂
spray-on• You may wish to embellish the controls with rubdown lettering followed by a coat of spray-on protective lacquer as usual.