Commonly, deflation refers to a decrease in the general price level, the opposite of inflation.
Deflation may also refer to: A release or escape of air or gas from an inflatable, resulting in its shrinking or collapsing A mode of wind erosion Dividing a polynomial by a linear factor which decreases its degree by one in multiple root-finding algorithms, as done for example in the Jenkins–Traub algorithm In philosophy, the use of a deflationary theory of truth, where the term truth is rejected as a real property of propositions Deflation (film), a 2001 short film Deflate, a widely used lossless compression algorithm originating from the program PKZIP
See also Deflationary theory of truth Inflation (disambiguation), the antonym of deflation