adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A very small or microscopic scale. attributive, often
2. 2
   The scale of microanalysis. attributive, often
3. 3
   A scale of physical consideration or of bounds having a characteristic dimension typically ranging from 1 to 999 µm (under 1 mm). attributive, often

Adjective

1. 1
   Extending over a relatively small area, particularly less than 1 kilometer; smaller than mesoscale. attributive, not-comparable, often

Etymology

From micro- + scale.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.