Anasarca is a general swelling in the body, considered a massive edema, and is brought on when there is a fluid build up in the tissue. It is a different medical condition than a slight swelling at particular areas of the body. Symptoms.
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.
Reverberation time is usually stated as a decay time and is measured in seconds. There may or may not be any statement of the frequency band used in the measurement. Decay time is the time it takes the signal to diminish 60 dB below the original sound.