Etymology

intelligence quotient

Today it means: A score derived from one of several different standardized tests attempting to measure a person's intelligence relative to that of the general population, with the average usually calibrated to a number around 100. Full definition →

German Intelligenzquotient
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The story

  1. German · calque ofIntelligenzquotient
  2. English todayintelligence quotient

Calque of German Intelligenzquotient. Coined in 1912 by German psychologist William Stern.

Etymology from Wiktionary, CC BY-SA 4.0.