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“Micro is the smallest prefix.” Many assume micro- (μ, 10⁻⁶) is the smallest prefix because it’s commonly used in medicine and biology (e.g., micrometers, micrograms).
1. Very small or microscopic. 2. Basic or small-scale: the economy's performance at the micro level.
Meaning of micro, a metric system prefix denoting one-millionth. Discover smaller or larger SI units, micro-related tech terms, and more in this article.