noun: (informal, Internet slang, text messaging) Abbreviation of people. [Used as plural of person; a body of human beings considered generally or collectively; a group of two or more persons.]
noun: Initialism of parts per litre.
noun: (linguistics) Abbreviation of participle. [(grammar) A form of a verb that may function as an adjective or noun. English has two types of participles: the present participle and the past participle. In other languages, there are others, such as future, perfect, and future perfect participles.]
noun: Initialism of polypeptide laboratory.
noun: Initialism of private pilot license.
noun: Initialism of probabilistic programming language.