The phrase "enormous development" is correct and can be used in written English.
You could use it to describe any kind of progress or growth that has been marked, significant, and large in scale. For example, "The company has seen an enormous development in its profits over the last five years."
Li had found a developer who was willing to donate land in an enormous development south of the city for the new school campus.
Rational design and construction of advanced hybrid electrodes would contribute to enormous development of rechargeable batteries.
The progress in digital imaging technology coincides with enormous development in the field of fluorescence microscopy.
"It's a very special moment in the life of the city; there is an enormous development effort that many find controversial.
In the early 1980s he initiated an enormous development in southwest Austin — it started at 2,700 acres, growing to 4,000 — called the Circle C Ranch.
Barely touched by a few decades of French colonialism, the traditional societies of the Sahel's fragile nations present an enormous development challenge.
During the last decade, there have been enormous developments in utilizing the power of nanotechnology in various fields including biomedical sciences.
There have been enormous developments taking place within hardware incubators as part of a larger transformation in the making of all things.
Machine learning, broadly defined as the ability for computers to learn patterns from data without being explicitly programmed, has seen enormous developments in the past decade, particularly also in the subfields of image recognition and natural language comprehension.
In 1942 Menger introduced the notion of probabilistic metric space (briefly, PM space), and since then enormous developments in the theory of probabilistic metric space have been made in many directions [13 15].
While enormous developments in electron optics and the design of in-situ cells have been made, leading to significant improvements in achievable resolution [5 7], there still exist many challenges associated with capturing dynamic processes with high temporal-resolution.
