(economics) The total market value of all the goods and services produced by a nation (citizens of a country, whether living at home or abroad) during a specified period.

(economics) A measure of the economic production of a particular territory in financial capital terms over a specific time period.

(law, US): Evidence which a party to a lawsuit does not have to reveal during the discovery process because it represents the thought process of the attorney preparing for trial.

A barcode symbology used on retail products, encoding 12 digits using seven bits for each in its main variant, UPC-A, and differing slightly from EAN.

(military) A petroleum product (generally a lubricant, oil, grease, or specialty item) normally packaged by a manufacturer and procured, stored, transported, and issued in containers having a fill capacity of 55 United States gallons (or 45 imperial gallons, or 205 liters) or less.

plural of packaged petroleum product

(mathematics) A vector space which is additionally equipped with an inner product.

plural of inner product space

(transitive) To do (something) in a way that is unnecessarily complicated, elaborate, or public.

(mathematics) The dot product of one of the three vectors with the cross product of the other two.