easy and not involved or complicated; "an elementary problem in statistics"; "elementary, my dear Watson"; "a simple game"; "found an uncomplicated solution to the problem"
of or being the essential or basic part; "an elementary need for love and nurturing"
a thin layer covering something; "a second coat of paint"
a heavy fabric suitable for coats
a decorative texture or appearance of a surface (or the substance that gives it that appearance); "the boat had a metallic finish"; "he applied a coat of a clear finish"; "when the finish is too thin it is difficult to apply evenly"
absolutely required and not to be used up or sacrificed
absolutely necessary; vitally necessary; "essential tools and materials"; "funds essential to the completion of the project"; "an indispensable worker"
being or relating to or containing the essence of a plant etc; "essential oil"