American Dictionary

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Definition professor in American English

professor noun

[countable] noun
/prəˈfesər/

Differences between American and British English: professor

In the U.S., a professor is any full-time teacher at a college or university. In the U.K., a professor is a university teacher of the highest status, usually one who is in charge of the other teachers of their subject.

1

a teacher in a college or university. Someone begins as an assistant professor, then becomes an associate professor, and finally a full professor

Example

I was waiting outside Professor Hertz's office.

Example

a biology/geography professor

Example

a professor of English/physics

Example

In 1963 he was appointed professor of history.

Synonyms and related words
2

a senior teacher in a college or university. Someone begins as a lecturer, then becomes a senior lecturer, then sometimes a reader, and finally a professor.

Synonyms and related words
Definition professor in American English