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pyronine
pyrope
pyrophobia
pyrophoric
pyrophosphate
pyrophosphoric acid
pyrophotometer
pyrophyllite
pyrosis
pyrostat
pyrotechnic
pyrotechnics
pyroxene
pyroxenite
pyroxylin
pyrrhic
Pyrrhic victory
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pyrosis
py·ro·sis [ pī rṓssiss ]


noun 
Definition:
 
( technical )
Same as  heartburn
[Late 18th century. < Greek purōsis "burning" < pur "fire"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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