Englishfor English speakers
covariance
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noun
(statistics) the mean value of the product of the deviations of two variates from their respective means
property
Noun
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Property is a thing or things that belong to someone; things that someone owns.
This house is now my property. I've finished paying for it.
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A property is a quality that something has; a way that something is.
One good property of this coat is that it keeps rain out.