Prefix "micro-"
* microbiology: the study of microscopic organisms.
* microscope: an instrument used to view extremely small objects.
* microcosm: a small, representative world or system.
* microphone: a device that converts sound waves into electrical signals.
* microchip: a tiny integrated circuit.
* microwave: electromagnetic radiation with a wavelength shorter than that of infrared radiation.
* microfilm: a photographic film on which documents are recorded at a greatly reduced size.
* microsecond: one millionth of a second.
* microclimate: the climate of a very small area.
* microorganism: a living organism too small to be seen with the naked eye.
Suffix "-micro"
* macro-micro: a term used to describe the relationship between large and small scales.
* photomicrograph: a photograph taken through a microscope.
There are many other words with "micro" in them, but these are some of the most common.