Reverberation is the collection of reflected sounds from the surfaces in an enclosure like an auditorium. It is a desirable property of auditoriums to the extent that it helps to overcome the inverse square law dropoff of sound intensity in the enclosure.
mato m (plural matos) ( 1 usually uncountable) forest; bush; jungle; woods (uncultivated area covered in wild plants) ( 2 usually uncountable) wild grass, weeds and other low-lying plants.
A doormat with a not very welcoming message. A mat is a piece of fabric material that generally is placed on a floor or other flat surface. Mats serve a range of purposes including: serving to clean items passed over it, such as a doormat, which removes dirt from the soles of shoes.