normal curve

noun Statistics.

a bell-shaped curve showing a particular distribution of probability over the values of a random variable.Also called Gaussian curve, probability curve.

Nearby words

  1. norm.,
  2. norma,
  3. normal,
  4. normal antibody,
  5. normal antitoxin,
  6. normal distribution,
  7. normal distribution curve,
  8. normal divisor,
  9. normal equivalent deviate,
  10. normal fault

Origin of normal curve

First recorded in 1890–95 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for normal curve

normal curve


statistics a symmetrical bell-shaped curve representing the probability density function of a normal distribution. The area of a vertical section of the curve represents the probability that the random variable lies between the values which delimit the section
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