|1.||[ noun ] (economics) a contraction of economic activity resulting in a decline of prices|
|Related terms:||inflation disinflation economic_process deflate|
|2.||[ noun ] (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"
|Related terms:||erosion geology|
|3.||[ noun ] the act of letting the air out of something|
|Related terms:||inflation decrease deflate|