/ ˈveəriəns; NAmE ˈver-; ˈvær-/ noun
[ U , C ] ( formal ) the amount by which sth changes or is different from sth else :
variance in temperature
a note with subtle variances of pitch
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IDIOMS
- at variance (with sb/sth)
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WORD ORIGIN
Middle English : via Old French from Latin variantia difference, from the verb variare , from varius diverse.