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protoindustrialization
protolanguage
protolithic
protomartyr
protomorphic
proton
proton number
proton pump
proton pump inhibitor
proton synchrotron
protonema
protonics
protonotary
protoplanet
protoplasm
protoplast
protoporphyrin
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proton pump inhibitor
pro·ton pump in·hib·i·tor (plural pro·ton pump in·hib·i·tors)


noun 
Definition:
 
antacid drug: a drug that blocks the proton pump mechanism in the stomach
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