micro-unit
nounUK /ˈmaɪ.krəʊˌjuː.nɪt/
US /ˈmaɪ.kroʊˌjuː.nɪt/
A micro-unit is a very, very small piece of something bigger.
The toy robot was built from tiny micro-units that snapped together.
OTHER MEANINGS
2. A very small team or division within a larger organization.
The company created a micro-unit of three people to handle the new app.
3. A tiny unit of measurement used in science.
Scientists measured the sample in micro-units to be very precise.
4. A small apartment or living space designed for one person.
He rented a micro-unit downtown because it was cheap and close to work.