In acute laryngitis, which is the most common cause of voice loss and hoarseness, you suddenly lose your voice or become hoarse. 1  Acute laryngitis can result from: 2  Viral infection. Viral infections, such as those that cause the common cold, can cause your vocal cords to swell. 3  Bacterial throat infection.
The definition of a hood is slang for a neighborhood. An example of a hood is what youâd call the area in which you live in the inner city. Hood is defined as the front top of a car or other vehicle that covers and protects the engine, or a protective covering that removes fumes or exhaust.
A fume hood or fume cupboard is a type of local ventilation device that is designed to limit exposure to hazardous or toxic fumes, vapors or dusts. A fume hood is typically a large piece of equipment enclosing five sides of a work area, the bottom of which is most commonly located at a standing work height.