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ptg.
PTH
PTN
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Ptolemaeus
Ptolemaic
Ptolemaic system
Ptolemaist
ptomaine
ptomaine poisoning
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ptomaine

pto·maine [ tṓ màyn, tō máyn ] (plural pto·maines)


noun 
Definition:
 
foul-smelling product of decay: one of a foul-smelling group of organic bases containing nitrogen. Source: bacteria during the decay of proteins.

[Late 19th century. Via French< Italian ptomaina< Greek ptōma "fallen body, corpse" < piptein "to fall"]
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