See more synonyms for predictor on
  1. a person or thing that predicts.
  2. Mathematics. a formula for determining additional values or derivatives of a function from the relationship of its given values.

Origin of predictor

From the Medieval Latin word praedictor, dating back to 1645–55. See predict, -tor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for predictor


  1. a person or thing that predicts
  2. an instrument, used in conjunction with an anti-aircraft gun, that determines the speed, distance, height, and direction of hostile aircraft
  3. statistics a more modern term for independent variable
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 predictor

1650s, from Medieval Latin praedictor, agent noun from praedicere (see predict). Statistical sense is from 1950.

Online Etymology Dictionary, © 2010 Douglas Harper