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Ptolemaist
ptomaine
ptomaine poisoning
ptosis
pts.
PTSD
PTV
Pty.
ptyalin
ptyalism
Pu
pub
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pub-crawl
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ptyalin
pty·a·lin [ t əlin ]


noun 
Definition:
 
enzyme that converts starch into sugar: an enzyme in saliva that catalyzes the digestion of starches
[Mid-19th century. < Greek ptualon "saliva"]
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