Function: noun
Date: 1893
: the difference between the actual pressure at any point in the field of a sound wave at any instant and the average pressure at that point
Function: noun
Date: 1893
: the difference between the actual pressure at any point in the field of a sound wave at any instant and the average pressure at that point
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012