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.
Quadrant two and three questions develop metaphors. symbol definition: A symbol signifies or stands for something else. Usually that something is concrete. It is not common for a thought or feeling to develop into a symbol as symbols are universal and represent cultures, traditions and religions of family of origin.uadrant two and three questions develop metaphors. symbol definition: A symbol signifies or stands for something else. Usually that something is concrete. It is not common for a thought or feeling to develop into a symbol as symbols are universal and represent cultures, traditions and religions of family of origin.