What is "dnp"

DNP is a three-letter abbreviation which can stand for:

• 2,4-Dinitrophenol, a small organic molecule formerly marketed as a pharmaceutical "diet aid"
• 2,4-Dinitrophenylhydrazine, Brady's reagent, used in organic chemical analysis
• Dai Nippon Printing, the world's largest printing company, based in Japan
• Defects Notification Period, in construction contracting, an additional period of time following completion during which the duty to perform the contract continues to exist
• Denali National Park, in interior Alaska
• Dengeki Novel Prize, a literary award by ASCII Media Works
• Deoxyribonucleoprotein, a complex of DNA & Protein
• Der Neue Pauly, a more compact edition of Realencyclopädie der classischen Altertumswissenschaft (Pauly-Wissowa)
• Deutsche Nationalpartei, a former German political party in Czechoslovakia
• "Did Not Place", a designation given in a race, indicating that the competitor did not finish in the places
• "Did Not Play", a notation used in sports in a box score or a roster listing
• Distance to neutral point, a quantity which is important when considering thermal expansion mismatch
• Distributed Network Protocol (DNP3), a protocol used in SCADA systems between communicating RTU's and IED's
• "Do Not Place", a term used in Printed circuit board design to denote the omitting of a component
• Do Not Post, an artist list on imageboards to prevent copyright infringement
• Doctor of Nursing Practice, a practice doctorate in nursing, commonly replacing the dated ND (Nursing Doctorate)
• "Duty Not Paid", in the context of cigarette smuggling
• Dynamic nuclear polarisation, a technique used in NMR spectroscopy