noun: Initialism of dots per inch. (Alternative spelling of dpi) [(graphic design, typography) The measure of a number of pixels per inch used in a graphic or supported by a digital display device, used to specify type or image resolution.]
noun: Initialism of dry powder inhaler. [(medicine) A device with a canister holding a medicine in a dry powder form, ready to be sucked/sprayed out as aerosols, with the purpose to be inhaled by a patient into the lungs. The device is commonly used for the treatment of asthma and other type of respiratory diseases.]
noun: (Internet) Initialism of deep packet inspection.
