noun
scientific community; world of science
Refers to the collective body of scientists, researchers, and institutions, or the domain of scientific activity.
その発見は科学界に大きな衝撃を与えた。
The discovery sent shockwaves through the scientific community.
彼は科学界で広く知られている。
He is widely known in the world of science.
科学者 refers to an individual scientist, whereas 科学界 refers to the community or sphere as a whole.
Compound of 科学 (science) and 界 (world, circles).