Roofing Terms & Definitions. Asphalt: A bituminous waterproofing agent applied to roofing materials during manufacturing. Back Surfacing: Fine mineral matter applied to the backside of shingles to keep them from. sticking. Blisters: Bubbles that may appear on the surface of asphalt roofing after installation.
Symbol(noun) an abbreviation standing for the name of an element and consisting of the initial letter of the Latin or New Latin name, or sometimes of the initial letter with a following one; as, C for carbon, Na for sodium (Natrium), Fe for iron (Ferrum), Sn for tin (Stannum), Sb for antimony (Stibium), etc.
A symbol is a person, place, action, word, or thing that (by association, resemblance, or convention) represents something other than itself. Verb: symbolize. Adjective: symbolic. In the broadest sense of the term, all words are symbols. (See also sign.) In a literary sense, says William Harmon, a symbol combines a literal and sensuous quality with an abstract or suggestive aspect (A Handbook to Literature, 2006) In language studies, symbol is sometimes used as another term for logograph.