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puff

(pŭf),
A short blowing sound heard on auscultation, usually a systolic murmur heard over the heart.
See also: chromosome puffs.

puff

(pŭf)
n.
1.
a. A short forceful exhalation of breath.
b. A short sudden gust of wind.
c. A brief sudden emission of air, vapor, or smoke.
d. A short sibilant sound produced by a puff.
2. An act of drawing in and expelling the breath, as in smoking tobacco.
3. Genetics A localized region of swelling in certain chromosomes indicating the active synthesis of RNA.
v. puffed, puffing, puffs
v.intr.
1. To blow in puffs.
2. To breathe forcefully and rapidly: huffed and puffed up the stairs.
3. To take puffs on smoking material: puffing on a cigar.
v.tr.
1. To emit or give forth in puffs.
2. To smoke (a cigar, for example).
3. To fill with pride or conceit: The compliment puffed up his ego.

puff′i·ly adv.
puff′i·ness n.
puff′y adj.

puff

Etymology: ME puf
a short, soft, blowing sound heard on auscultation.

puff

Molecular
Chromosome puff, see there.
 
Vox populi-UK
A usually derogatory slang term for a homosexual man.

puff

see CHROMOSOME PUFF.
References in periodicals archive ?
Little elves on the Puffing Billy Christmas train that visits villages across County Durham
The Friends of Puffing Billy was set up to fundraise for those celebrations and plan for the year's events that included walks, a talks programme, sports, school and community engagement.
Following the success of Puffing Billy And The Sharks two more books, Puffing Billy and the Aliens and Puffing Billy and the Gold will be on sale soon.
Other events have included a clean-up of William Hedley's grave at Newburn Parish Church with Groundwork and themed Puffing Billy brew by Wylam brewery.
Swin created such a lovely looking logo that we were sure children would love to read more about Puffing Billy and follow his adventures in a series of books," said Ian.
I believe we should campaign for the permanent return of both Puffing Billy from the Science Museum in London and Wylam Dilly from the Museum of Scotland in Edinburgh.
Jackson's peers regularly rush across the street from school to the nearby strip mall, huddling in packs and puffing away to their hearts' content.
The Puffing Billy Festival, featuring a series of events, starts on September 4 and has been put together by the Friends of Puffing Billy - supported by Beamish Museum - to celebrate two centuries since the Wylam locomotives started transporting coal from Wylam Colliery to Lemington Staithes on the River Tyne.