noun: (chemistry) Initialism of plastoquinone. [(biochemistry) a quinone, related to the carotenoids, involved in the electron transport process of photosynthesis]
noun: (electronics) Initialism of picture quality.
noun: Initialism of power quality.
noun: (Canadian politics) Initialism of Parti Québécois - a political party of the province of Quebec, Canada
noun: (dated, Canada) Initialism of Province of Quebec- in Canada