[{"Bold_text": "preposition", "List Items": ["for each; for every:Membership costs ten dollars per year. This cloth is two dollars per yard.", "by means of; by; through:I am sending the recipe per messenger.", "Also .according to; in accordance with:I delivered the box per your instructions.He managed to monopolize the meeting, per usual."]}, {"Bold_text": "adverb", "List Items": ["Informal.each; for each one:The charge for window-washing was five dollars per."]}, {"Bold_text": null, "List Items": ["a prefix meaning “through,” “thoroughly,” “utterly,” “very”:pervert; pervade; perfect.", "Chemistry.a prefix used in the names of inorganic acids and their salts that possess the maximum amount of the element specified in the base word:percarbonic(H2C2O5),permanganic(HMn O4),persulfuric(H2S2O8),acids; potassium permanganate(KMn O4);potassium persulfate(K2S2O8)."]}, {"Bold_text": "abbreviation for", "List Items": ["percentile.", "period.", "person."]}, {"Bold_text": "abbreviation for", "List Items": ["Persia.", "Persian."]}]