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.
Perhaps the most confusing of the vitamin measurement units, the International Unit, or IU, is used by many supplement manufacturers as a standard measurement for vitamin recommendations. microgram -- mcg -- is an extremely small unit of measurement equal to one-millionth of 1 g or one-thousandth of 1 mg. For example, the average adult needs 15 mcg of vitamin D daily. This is equal to 0.015 mg and 0.000015 g.