Adlayer is a noun that refers to a thin layer or coating applied to a surface for protective, decorative or functional purposes. There are several synonyms for the word adlayer, including coating, film, layer, covering, and laminate. The term coating refers to a layer applied to a surface for protective or decorative purposes. Film has a similar meaning to coating, but it typically refers to a thin material applied to a surface for packaging or photographic purposes. Layer can be used interchangeably with coating or film. Covering refers to a material used to cover something, while laminate refers to a type of layered material used in construction or manufacturing.