01 n. The formal or distinguishing part of the essence of a species, by which it is distinguished from other members of its genus; the characteri…
pl.
Differentiæ ((#))
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1.
The formal or distinguishing part of the essence of a species, by which it is distinguished from other members of its genus; the characteristic attribute of a species; specific difference; as, a proper definition must have both genus and differentia.(Logic)
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2.
the set of characteristics distinguishing an entity from related entities.