Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.


(file format, compression)
A compression standard derived from LZ77; it is reportedly used in zip, gzip, PKZIP, and png, among others.

Unlike LZW, deflate compression does not use patented compression algorithms.

Used as a verb to mean to compress (not decompress!) a file which has been compressed using deflate compression. The opposite, inflate, means to decompress data which has been deflated.

Deflate is described in RFC 1951.
References in periodicals archive ?
The aircraft has a safety system which operates automatically in circumstances of the aircraft breaking free of its mast, and is designed to rip open the hull and deflate the aircraft.
In Sections 5-6, we modify the basic setting by introducing an oblique projection that enables us to deflate approximate (possibly generalized) eigenspaces and to introduce a truly deflated GMRes method.
Those hoping wheat and other commodity prices will gradually deflate may yet be disappointed"
When the pickup approached, officers laid out the spike strips, which have sharp, hollow spikes that puncture tires but allow them to slowly, and safely, deflate, Sgt.
For the 2007 annual revision, several changes to the methods used to deflate some components were adopted.
Disavowing that idea will help deflate much of that resistance.
Most importantly, the CL2003 did not deflate under load, staying springy, soft and cushioning long after competing silicone products had given out, even at just 1.
Switching Investment Gears: Insurers, whose portfolios are heavily weighted toward bonds, may have to return to stocks as low interest rates deflate the value of some bond investments.
There's no way to deflate the power of racism without shining a light on it.
At least three members of the crew were briefly dragged as they clung to ropes to help Fossett deflate the balloon.
One possibility is for mission controllers to partially deflate a ball when it reaches an interesting spot.
A revolutionary road hump which is designed to deflate for emergency vehicles and drivers going under the speed limit has been unveiled.