"extensive essay" is a grammatically correct phrase and can be used in written English.
It typically refers to an essay that is long, detailed, and covers a wide range of topics or ideas. You can use this phrase when discussing a lengthy essay that requires thorough research and analysis. Example: The student spent months researching and writing an extensive essay on the effects of climate change on global economies.
Schapiro met Léger seven years earlier in 1935 and wrote an extensive essay about their encounter.
An extensive essay by Marc Ries develops a theoretical framework relating the moving image to desire.
I was thrilled to contribute an extensive essay to this definitive (seven-CD and two-DVD) boxed-set of Pryor's stand-up performances.
Five years after the Considerations, Herz developed this conception of beauty as objective but yielding only indeterminate rules for taste into the far more extensive Essay on Taste.
In the same year appeared also an extensive essay on the late Goethe in the form of a review of the concluding part of the poet's Italian Journey that had been published the previous year.
In an extensive essay, art historian Richard Shiff provides a fresh and incisive examination of Shapiro's oeuvre and working process, illuminating the factors and forces that allow his work to remain ever in flux and unpredictable, cohesive and yet multifarious.
Selection for the scholarship focuses on writing ability, requiring several extensive essays.
The books there were preferable to the professors, and the learning regimen consisted of extensive essays, which he brought along to Belfast and then to Princeton.
Claire Perry, an independent curator who specializes in 19th-century American cultural history, has presented almost too much for us to absorb easily; a visit here should be supplemented with her extensive essays in the companion catalog.
One, The Masque of Queens (1609), contains not merely an extensive explanatory essay from Jonson, but detailed notes on dizzying stage effects (a hell with flames, dancing witches, the appearance of a "glorious and magnificent building" supporting 12 actors).
Also the author of an autobiography, Roger North likewise produced, as a preface to his life of Francis, the first extensive critical essay on biography, which anticipates some of the ideas of Samuel Johnson and James Boswell.
