the branch of physics dealing with physical objects that are not large enough to be observed and treated directly, as elementary particles, atoms, and molecules.
- mi·cro·phys·i·cal, adjective
- Compare particle physics.
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British Dictionary definitions for microphysics
(functioning as singular) the branch of physics concerned with small objects and systems, such as atoms, molecules, nuclei, and elementary particles
- microphysical, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012