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n. 1. a. A college or university teacher who ranks above an associate professor. b. A teacher or instructor. 2. One who professes. [Middle English professour, from Old French professeur, from Latin professor, from professus, past participle of profitērī, to profess; see PROFESS.] pro′fes·sori·al (prō′fĭ-sôrē-əl, prŏf′ĭ-) adj. pro′fes·sori·al·ly adv. pro·fessor·ship′ n. |
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