microfluidics

https://doi.org/10.1351/goldbook.09528
Multi-disciplinary subject concerned with the behavior, precise control, and manipulation of fluids that are geometrically constrained within a small, typically sub-millimeter, scale channel.
Source:
PAC, 2020, 92, 1861. 'Terminology of polymers in advanced lithography (IUPAC Recommendations 2020)' on page 1879 (https://doi.org/10.1515/pac-2018-1215)