This is the 3009th most frequent Portuguese word.
universitário
"Universitário" means "related to university" or "university student" in English.
Here, 'universitário' is used as an adjective to describe 'estudante', indicating a person enrolled in a university for studies.
O estudante universitário está se preparando para os exames finais.
The university student is preparing for the final exams.
In this sentence, 'universitário' qualifies 'ambiente', referring to features or characteristics typical of a university.
O ambiente universitário oferece muitas oportunidades de aprendizado.
The university environment offers many learning opportunities.
Here, 'universitário' works as a noun, directly referring to a person who is a student at a university.