Definitions for "Bi-Level"
Keywords:  entrance, garage, foyer, cpap, pap
A freight car that has two decks, an upper and a lower, and is designed for transporting automobiles.
Bi-level pressure device used to treat sleep apnea. The "bi" refers to two pressures: a lower pressure for exhalation and a higher pressure for inhalation. Bi-Level machines are more expensive than a standard CPAP, but some patients tolerate it better because they can exhale comfortably against the constant inhalation pressure. (Sometimes called Bi-PAP, but that is a trademark name of one system)
A bi-level house is a house where the front entrance is located between the flight of stairs leading to the top and bottom levels of the house. The bottom level is usually four feet below grade and the top level is four feet above grade. Bi-level homes are sometimes referred to as raised-ranch or split-foyer homes.
A type of image containing only black and white pixels
An image that contains only two colorsa background color and a foreground color. For example, a black and white image.