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pyrosis
pyrostat
pyrotechnic
pyrotechnics
pyroxene
pyroxenite
pyroxylin
pyrrhic
Pyrrhic victory
Pyrrhonism
pyrrhotite
pyrrole
pyruvate
pyruvic acid
Pythagorean theorem
Pythagoreanism
Pythian Games
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pyronine
py·ro·nine [ prə nn ] (plural py·ro·nines)


noun 
Definition:
 
red dye used in biological tests: a red dye used in biological tests, especially a test to detect the presence of RNA
[Late 19th century. < German]
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