As nouns the difference between microscale and mesoscale
is that microscale is a very small or microscopic scale while mesoscale is a scale of intermediate size.
As an adjective mesoscale is
of medium size or extent; between microscale and macroscale.
microscale
English
Alternative forms
*micro scale
*micro-scale
Noun
(
en noun)
A very small or microscopic scale
(chemistry) The scale of microanalysis
A scale of physical consideration or of bounds having a characteristic dimension typically ranging from 1 to 999 µm (under 1 mm)
Usage notes
*Used attributively in terms such as "microscale chemistry".
mesoscale
English
Adjective
(-)
of medium size or extent; between microscale and macroscale
(meteorology, of a weather phenomenon) roughly 2-200 kilometers in extent; between microscale and synoptic
Derived terms
*mesoscale convective system
Noun
(
en noun)
A scale of intermediate size