The meaning of the word professor (Latin: professor, person who professes to be an expert in some art or science, teacher of highest rank) varies. In some English-speaking countries, it refers to a senior academic who holds a departmental chair, especially as head of the department, or a personal chair awarded specifically to that individual. For example, in the United Kingdom, Ireland, South Africa, Australia, New Zealand, The Netherlands, United States, Canada, and Hong Kong it is a legal title conferred by a university denoting the highest academic rank. However, in some institutions, the term is used only for academics who are tenured or tenure-track. In some countries, e.g. Austria, Brazil, Democratic Republic of the Congo, France, Romania, Slovenia, Croatia, Serbia, Poland, Spain and Italy, the term is an honorific applied also to secondary level teachers.
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