The term 'HARRY POTTER STUDY' can be summarized as the study of the magical world created by J.K. Rowling in her Harry Potter series. The crossword solution for this term is 'MAGIC, ' which refers to the use of spells, charms, and other supernatural forces that are used by characters in the books. This type of study focuses on the various aspects of the magical world, such as the different types of MAGIC, the history of MAGIC, and the effects of MAGIC on the characters and the plot.