Adjunct professors are typically paid on a per-course basis, meaning their compensation is determined by the number of courses they teach each semester or term. This payment structure is common across many institutions, although specific details can vary depending on the college or university. Unlike full-time faculty who receive a fixed annual salary, adjuncts usually work under short-term contracts that may be renewed each semester or academic year. The pay rate per course can differ based on factors such as the institution's budget, the subject taught, and the adjunct's experience. Overall, adjunct pay is often considered less stable and less comprehensive than full-time faculty salaries, but it provides flexibility for those balancing multiple commitments or seeking part-time teaching opportunities.