👉 Micrometry is a field of study that deals with the measurement and analysis of very small quantities, typically less than 10-6 meters in length. Micrometers are used to measure things like atoms, molecules, and even parts per million (ppm) of a substance. In the context of micrometry, it's important to note that the term "micrometer" was originally used for measuring the size of particles rather than the physical quantity itself. It refers to the unit
