Lexic.us

2. Prefix. (context: metric units) One millionth. ¹

¹ Source: wiktionary.com

Medical Definition of Micro-

1. 1. A combining form signifying small, little, trivial, slight; as, microcosm, microscope. A millionth part of; as, microfarad, microohm, micrometer. 2. Metric prefix indicating 1/1,000,000th of a given quantity. For example, a microampere is 1/1,000,000th of an ampere. Origin: Gr. Small. (29 Oct 1998)

Lexicographical Neighbors of Micro-

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