PPG

PPG may stand for:

== Science and technology == Pacific Proving Grounds, a former US-operated nuclear test site Photoplethysmograph, an optically obtained volumetric measurement of an organ Pterygopalatine ganglion, one of the four Parasympathetic ganglia of the head and neck Pteridophyte Phylogeny Group, a group promoting the taxonomy of pteridophytes Chemistry Photolabile protecting group, a strategy to temporarily protect functional group(s) and liberate upon action of light Policosanol, a nutritional supplement PPG Industries, a U.S. manufacturer, formerly known as Pittsburgh Plate Glass PPG Place, its office complex Polypropylene glycol, a polymer Post-prandial glucose, a measure of blood sugar after a meal Pounds per gallon, a measure of density, typically of a fluid. It is common in the oil industry, especially as a unit for Mud weight. Purpurogallin, the aglycon of several glycosides from nutgalls Electronics & Electrical PPG Phonem, a vocal synthesizer Palm Products GmbH, an audio synthesizer company Penile plethysmograph a device to measure male arousal Push Proxy Gateway, a component of a WAP server in telecommunications Pulse pattern generator, a piece of electronic test equipment or software used to generate digital electronics stimuli Personal Protective Ground, a safety device that is conductive, used to ground electrical equipment in case of accidental energization during work Transport PPG tankette, a Soviet armoured vehicle IATA airport code for Pago Pago International Airport Powered paragliding, a form of ultralight aviation