As nouns the difference between macroscale and mesoscale
is that macroscale is a relatively large scale while mesoscale is a scale of intermediate size.
As an adjective mesoscale is
of medium size or extent; between microscale and macroscale.
macroscale
English
Alternative forms
*macro-scale
Noun
(
en noun)
A relatively large scale
Usage notes
*Used attributively in terms such as "macroscale 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