Every rational number has an essentially unique continued fraction representation.

For that reason - and no other - we are utterly and essentially unique.

Thus every microbundle can be refined to an actual fiber bundle in an essentially unique way.

The behavior of volatile collection is essentially unique in the animal kingdom.

Because God is essentially unique, he cannot be compared to any of the things that exist in the normal, contingent sense.

In the 1920s, he proved that surfaces have an essentially unique triangulation.

An individual's pattern of these repeated segments is essentially unique.

Most basically, there is an essentially unique set of any given cardinality, whether one labels the elements or .

We would find that there is an essentially unique group containing exactly 3 elements, the cyclic group of order three.

We would find an essentially unique solution to this problem: the 2-sphere.