The phrase "and essential feature of" is correct and usable in written English.
It can be used to describe a fundamental characteristic or quality that is necessary for something to function or exist properly.
Example: "Trust is an essential feature of any successful relationship."
Alternatives: "a crucial aspect of" or "a vital component of".
Uniformity of space filling is the most important and essential feature of the uniform design.
The lack of similarity in treatment of the two classes of coal is an integral and essential feature of this Act.
Since its introduction in 1949, legal aid has sought to provide access to justice for those of limited means and has remained a defining and essential feature of our democracy.
Common to all reformers is the conviction that some valid and essential feature of traditional faith has been ignored or distorted and that these deficiencies must be overcome if the religion is to be purified.
The special and essential feature of our company visits is the different sizes of the companies we visit, ranging from small young stage start-ups to multibillion dollar well-known companies.
In general, the distortion of light spot is a basic condition and essential feature of an object, which could be extracted accurately from the complex environment.
Cartographic representations, symbolic national landscapes, and memoryscapes are technologies through which both – places as homelands and nations as natural and essential features of homelands – can be imagined.
To identify typical and essential features of ETFE structures, this paper reviews and compares available theoretical, experimental and numerical studies on material properties of ETFE foils, architectural performance and structural behavior of ETFE structures.
Carroll et al.'s [ 15] framework for implementation fidelity considers a fifth aspect of program differentiation, or identifying the unique and essential features of programs.
