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.
Tap on the image to zoom back in. A symbol is anything that stands for, or represents, something else. In a story, a character, an action, an object, or an animal can be symbolic. Often these symbols stand for something abstract, like a force of nature, a condition of the world, or an idea. For a quick game about symbols, check out Symbols in Art.