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pyrotechnics
pyroxene
pyroxenite
pyroxylin
pyrrhic
Pyrrhic victory
Pyrrhonism
pyrrhotite
pyrrole
pyruvate
pyruvic acid
Pythagoras’ theorem
Pythagoreanism
Pythian Games
python
Pythonesque
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pyrrole

pyrrole [ pírrōl ]


noun 
Definition:
 
naturally occurring chemical: a colourless toxic liquid compound containing carbon, hydrogen, and nitrogen. Source: biological substances such as chlorophyll, haemoglobin, and bile pigments. C4H5N

[Mid-19th century. < Greek purros 'fiery red' < pur 'fire']

pyrrolic [ pi róllik ] adjective
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