These three essentially defined the center of the Court.
Moreover, any party, in the end, is essentially defined by its presidential nominee.
Forestry, hunting and wine culture essentially defined local life for the following centuries.
These principles essentially define the subject: they are the bearings that teachers need to take in order to plot their course.
The Treo 180 essentially defined what is now known as the smartphone.
The right time was essentially defined as that which was shown by a sundial.
In other words, we essentially define our situations.
Terms in first-order logic are essentially defined this way.
The type system of a programming language essentially defines its own subtyping relation, which may well be trivial.
This metric essentially defines consumption as the part of disposable income that does not go into savings.