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peptidase
peptide
peptide bond
peptidoglycan
peptize
peptone
peptonize
Pequot
per
per-
per annum
per ardua ad astra
per capita
per contra
per curiam
per diem
per mill
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per

per [ pər ]


preposition 
Definition:
 
1. for each: for each or for every thing mentioned
50 miles per hour

2. according to something: by, through, or according to something
per instructions



adverb 
Definition:
 
for each one: for each one ( informal )

[14th century. < Latin]
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