Macrochemistry refers to the study of chemistry on a large scale, including the properties and reactions of substances in bulk. Synonyms for macrochemistry include bulk chemistry, large-scale chemistry, and industrial chemistry. Bulk chemistry emphasizes the large quantities of substances involved, while large-scale chemistry highlights the size of the equipment and processes used. Industrial chemistry specifically refers to the application of chemistry to industrial processes and production. Macroscopic chemistry is also a possible synonym, which emphasizes the observation and measurement of chemical phenomena on a visible scale. Overall, these terms highlight the importance of understanding and applying chemistry on a large, practical level.