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pathogen
pathogenesis
pathogenic
pathognomonic
pathological
pathology
pathophysiology
pathos
pathway
-pathy
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patient
patina
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patio doors
patisserie
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pathway
pathway [ pth way ] (plural pathways)


noun 
Definition:
 
1. path: a path or route
2. sequence of reactions: a sequence of biochemical reactions involved in a metabolic process
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