puff

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puff

[pəf]
(electricity)
(mechanical engineering)
A small explosion within a furnace due to combustion conditions.

puff

(algorithm)
To decompress data that has been crunched by Huffman coding. At least one widely distributed Huffman decoder program was actually *named* "PUFF", but these days it is usually packaged with the encoder.

Opposite: huff.
References in periodicals archive ?
"People really look forward to it and say 'I know it's Christmas when Puffing Billy is around'.
Morphology characteristics of raw, puffed, and SCFE after puffing seeds are shown in Table 2.
The technique developed will be useful for the large-scale puffing of amaranth, when it is required to control temperature and residence time.
Early steam engines like Puffing Billy were the cutting edge technology of the period and helped pave the way for the future development of modern railways across the world.
Pupils from Wylam First School, Newburn Manor, Walbottle Village and Waverley >Primary, walk along the Wylam Waggonway to launch the Puffing Billy Festival
The original Puffing Billy engine - the oldest surviving steam locomotive in the world - was built in 1813 by engineer William Hedley, enginewright Jonathan Forster and blacksmith Timothy Hackworth for Christopher Blackett, the owner of Wylam Colliery.
Now 50p from the sale of every Puffing Billy book will go to CHUF in recognition of the care Caden, who lives with his parents in Hetton-le-Hole, County Durham, received.
Ian Morrell, 53, from South Hetton, County Durham, spent hours riding on the Puffing Billy road train at the camp in Filey, North Yorkshire.
EXCITED children got hands on with local history with Beamish Museum's replica of the 200-year-old engine Puffing Billy.
I WAS interested in your article of Monday July 4 about the 200th anniversary of Puffing Billy and the attempts by Mr Michael Balfour to have a celebration with a replica of Puffing Billy from Beamish.
It was 200 years ago this year - probably - that Puffing Billy became the first commercial 'adhesion' steam locomotive when it was used to haul coal from Wylam Colliery to Lemington Staithes on the River Tyne at the then impressive speed of 5mph.
Railway genius William Hedley will be celebrated today (Thursday) when a replica of his pioneering locomotive Puffing Billy makes its first appearance.