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.
In photography, a lens hood or lens shade is a device used on the front end of a lens to block the Sun or other light source(s) to prevent glare and lens flare. Lens hoods may also be used to protect the lens from scratches and the elements without having to put on a lens cover.