Also known as: PA., PA..., PA-
PA has various meanings in the Business category. Discover the full forms, definitions, and usage contexts of PA in Business.
Known as Personal Exemption in the US. The amount of income an individual can earn in a year before paying tax.
BusinessPhosphoric acid (also known as orthophosphoric acid or phosphoric(V) acid) is a mineral (inorganic) acid having the chemical formula H3PO4. Orthophosphoric acid molecules can combine with themselves to form a variety of compounds which are also referred to asphosphoric acids, but in a more general way. Orthophosphoric acid refers to phosphoric acid, which is the IUPAC name for this compound.
BusinessThe angle between the blade element chord line and the plane of rotation of the propeller
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