WordofTheDay.US

variance

/ˈvɛə.ɹi.əns/ noun

Latin root: variaunce Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about variance at Wordnik → Where our words come from →

  1. An event that departs from expectations.
  2. Discord that splits a group.
  3. The second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.

Origin

From Middle English variance, variaunce, equivalent to vary + -ance, from Old French variance or directly from Anglo-Latin variaunce, veriaunce, wariaunce; all from Latin variantia.

From Wiktionary, via Kaikki.org (CC BY-SA)