Treatment of Cross-eyed: For more treatment information about Cross-eyed, see treatment of Squint (Cross-eyed).
It can be used to indicate a smaller than average scale (microscopic scale), as opposed to prefixes mega and macro, which can be used to indicate a larger than average scale. Micro may refer to: 1  micro- (Âµ) a prefix in the SI and other systems of units denoting a factor of 10 â6 (one millionth). 2  MICRO Information Management System, an early set-theoretic database management system. 3  Micro programming language, a simple programming language used in teaching compiler construction techniques.
The official symbol for the SI prefix micro- is a Greek lowercase mu (Î¼). In Unicode, there is also a micro sign with the codepoint U+00B5 (Âµ), distinct from the codepoint U+03BC (Î¼) of the Greek letter lowercase mu, so that machines can recognize it as the SI prefix symbol rather than as a letter.