What does the prefix "micro-" mean?

The prefix "micro-" signifies something that is small or minute, often used in various scientific and medical contexts. For example, in microbiology, the term "microorganism" refers to tiny living organisms such as bacteria and viruses that can only be seen under a microscope. This prefix helps convey the scale of the entity being discussed, differentiating it from larger entities. Therefore, recognizing "micro-" as indicating smallness is essential for understanding medical terminology and its applications.