What do a.m. and p.m. stand for?

personal equation

the tendency to personal bias that accounts for variation in interpretation or approach and for which allowance must be made.
Origin of personal equation
1835-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for personal equation
  • In each instance the influence of the personal equation becomes recognizable.
  • Where and when are obviously important factors in that personal equation.
  • The personal equation was as important in this case as in any other.
  • It is still a story of the chase, but the personal equation has been removed.
  • Two forms of personal equation apparatus for transit observations.
  • It does go a few steps beyond the specifications and reduces the personal equation to some extent.
  • As to this matter of the personal equation the joint committee is hopeful.
British Dictionary definitions for personal equation

personal equation

the variation or error in observation or judgment caused by individual characteristics
the allowance made for such variation
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
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personal equation in Medicine

personal equation n.
A constant but slight error in judgment, perceptual response, or action that is specific to an individual and is so constant that it is usually possible to allow for it when assessing that person's statements or conclusions, thus arriving at approximate exactness.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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