Englishfor English speakers
variance
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noun
the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
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noun
an official dispensation to act contrary to a rule or regulation (typically a building regulation)
a zoning variance
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noun
(= variation)
an activity that varies from a norm or standard
any variation in his routine was immediately reported
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noun
(= division)
discord that splits a group
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noun
(= discrepancy)
an event that departs from expectations
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noun
(= variability)
the quality of being subject to variation
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noun
(= divergence)
a difference between conflicting facts or claims or opinions
a growing divergence of opinion
reduction
Noun
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A reduction is how much something is reduced.
There was a 5% reduction in prices at the clothing store during the sale.
technique
Noun
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A technique is a specialized and skillful way of doing something.
It is important for pilots to be taught the right technique for the take-off run.
The scientists will use a new technique to measure the exact speed of the moon.