Simple Definition of professor

from our Learner's Dictionary

professor

noun

plural professors
: a teacher especially of the highest rank at a college or university
a chemistry/history professor = a professor of chemistry/history
Professor Williams will be teaching the class.

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“Professor.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/professor. Accessed 19 Jun. 2026.

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