Coating
Part of speech: noun
Definition: A thin outer layer.
Part of speech: verb
Definition: To cover with a coating of some material.
Covering
Part of speech: noun
Definition: That which covers something.Action of the verb to cover.
Part of speech: verb
Definition: To place something over or upon, as to conceal or protect.
Example sentence: We all have our likes and our dislikes. But... when we're doing news - when we're doing the front-page news, not the back page, not the op-ed pages, but when we're doing the daily news, covering politics - it is our duty to be sure that we do not permit our prejudices to show. That is simply basic journalism.