• synonyms


[pa-skal, pah-skahl; French pas-kal]
See more synonyms on Thesaurus.com
  1. Blaise [bleyz; French blez] /bleɪz; French blɛz/, 1623–62, French philosopher and mathematician.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for blaise pascal


  1. the derived SI unit of pressure; the pressure exerted on an area of 1 square metre by a force of 1 newton; equivalent to 10 dynes per square centimetre or 1.45 × 10 –4 pound per square inchSymbol: Pa

Word Origin

C20: named after Blaise Pascal


  1. Blaise (blɛz). 1623–62, French philosopher, mathematician, and physicist. As a scientist, he made important contributions to hydraulics and the study of atmospheric pressure and, with Fermat, developed the theory of probability. His chief philosophical works are Lettres provinciales (1656–57), written in defence of Jansenism and against the Jesuits, and Pensées (1670), fragments of a Christian apologia


  1. a high-level computer programming language developed as a teaching language: used for general-purpose programming
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for blaise pascal


high-level computer programming language, 1971, named for French scholar Blaise Pascal (1623-1662), who invented a calculating machine c.1642.

Online Etymology Dictionary, © 2010 Douglas Harper

blaise pascal in Medicine


(pă-skăl, pä-skäl)
  1. A unit of pressure equal to one newton per square meter.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

blaise pascal in Science


  1. French mathematician, physicist, and philosopher who, with Pierre de Fermat, developed the mathematical theory of probability. He also contributed to the development of differential calculus, and he invented the mechanical calculator and the syringe. The pascal unit of pressure is named after him.


[pă-skăl, pä-skäl]
  1. The SI derived unit used to measure pressure. One pascal is equal to one newton per square meter.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.