Definitions
1.NounAn intermediate physical state of matter between solid and liquid, in which the molecules have more freedom of movement than when locked in a crystal lattice, but less freedom of movement than when in the liquid state.
2.NounA composite state of a physical system that is determined by the overall configuration of many microstates; e.g. the heat of a substance (mesostate), which is made up of the aggregate of motions of many molecules (microstate).
3.NounA description of an aspect of a geographical system at a level between complete detail (the microstate) and a simple summary statistic or percentage (the macrostate).
4.NounAn intermediate metabolic product in the formation of anastates or catastates.