a contraction of economic activity resulting in a decline of prices
(geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind; "a constant deflation of the desert landscape"
altering something (as a legislative act or a statement) in such a manner as to reduce its value; "the adoption of their amendments would have amounted to an evisceration of the act"
surgical removal of an organ (or the contents of an organ) from a patient