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.
DMSO is dimethyl sulfoxide, a by-product in converting trees to paper. It has industrial uses as an antifreeze and as a solvent for a wide range of chemicals. There are also a wide range of medical uses. It has a remarkable capacity to penetrate skin and tissue and enter the bloodstream.