"Pascal\'s law." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/pascal-s-law>.
Pascal\'s law. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/pascal-s-law
The principle that external static pressure exerted on a fluid is distributed evenly throughout the fluid. Differences in static pressure within a fluid thus arise only from sources within the fluid (such as the fluid's own weight, as in the case of atmospheric pressure).