Micro (Greek letter μ, mu, non- italic) is a unit prefix in the metric system denoting a factor of one millionth (10 −6). [1] It comes from the Greek word μικρός (mikrós), meaning "small".

Nov 24, 2012 · The meaning of MICRO is very small; especially : microscopic.

Add to word list very small: a microbrewery (Definition of micro from the Cambridge Academic Content Dictionary © Cambridge University Press)

Micro- is a combining form used like a prefix meaning “small.” In units of measurement, micro- means "one millionth." The form micro- is often used in a variety of scientific and technical …

1. Very small or microscopic. 2. Basic or small-scale: the economy's performance at the micro level.

Micro is a SI unit prefix in the metric system denoting a factor of 10⁻⁶ (one millionth). It is represented by the prefix micro or the symbol µ.

Apr 27, 2025 · Micro refers to something very small, often microscopic, and is used in various contexts, including science and technology. It denotes a unit prefix in the metric system …

Jun 25, 2025 · 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.

Illustrated definition of Micro-: A prefix meaning one-millionth (1/1,000,000 or 10-6) Examples: a micrometer is one-millionth...

Add to word list very small: a microbrewery (Definition of micro from the Cambridge Academic Content Dictionary © Cambridge University Press)