Breadcrumb Home > Dictionary > Index N normal curve: Meaning and Definition of Find definitions for: nor'mal curve' Pronunciation: [key] — Statistics. Statistics. a bell-shaped curve showing a particular distribution of probability over the values of a random variable. Also calledCompare illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. normal normalcy TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: rapacious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language