byssinosis in Medicine. byssinosis bysÂ·siÂ·noÂ·sis (bÄ­s'Ä­-nÅ'sÄ­s) n. A form of pneumoconiosis that affects cotton, flax, and hemp workers and is characterized by symptoms, such as wheezing, that are most severe at the beginning of each work week. Also called brown lung disease.
From Wikipedia, the free encyclopedia. Material take off (MTO) is a term used in engineering and construction, and refers to a list of materials with quantities and types (such as specific grades of steel) that are required to build a designed structure or item.
wall something off (from someone or something) to deny access to an area by building a wall as a barrier. The manager was told to wall the incinerator area off from the machinery area. Please wall off the incinerator area. See also: off, wall. wall off. v. To divide or separate something with or as if with a wall: We walled off part of the room.