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.
In the metric system, a microgram or microgramme (Î¼g; the recommended symbol in the United States when communicating medical information is mcg) is a unit of mass equal to one billionth (6991100000000000000â 1Ã10â9) of a kilogram, one millionth (6994100000000000000â 1Ã10â6) of a gram, or one thousandth (6997100000000000000â 1Ã10â3) of a milligram.