What part of speech is “university”

university is a noun that means an educational institution used for the purpose of higher education. It consists of several faculties, schools, or departments offering a variety of courses in many areas of study. It usually includes facilities such as student libraries, labs, and dorms as well as other services such as counseling, clubs, and housing. A university is often composed of an undergraduate college, graduate school, and professional schools, such as medicine or law.

1. My sister is attending a top university in the UK.

2. I want to apply to a few universities in the U.S.

3. These universities offer a wide selection of courses.

the word 'university' is not capitalized when used generally, but it should be capitalized when referring to a specific institution. For example, 'My brother is studying at Harvard University' vs. 'Many youths apply to universities each year'.