Hearth. â The area on the floor in front of a fireplace. It will normally be some type of masonry material: stone, brick, slate or marble. Most building and fire codes around Philadelphia and Montgomery County, PA, call for it to extend at least 18â³ away from the front of the fireplace.earth. â The area on the floor in front of a fireplace. It will normally be some type of masonry material: stone, brick, slate or marble. Most building and fire codes around Philadelphia and Montgomery County, PA, call for it to extend at least 18â³ away from the front of the fireplace.
The definition of noisy is a loud person, thing or activity. 1  An example of noisy are football fans when their team scores a touchdown. 2  An example of noisy is a car without a muffler.
In telecommunication, the term noisy black has the following meanings: 1  In facsimile or display systems, such as television, a nonuniformity in the black area of the image, i.e., document or picture, caused by the presence of noise in the received signal.