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".

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The meaning of MICRO is very small; especially : microscopic.

This relatively new area of investigation, requiring the impregnation of thin sections, stresses the importance of micro-textures, micro-structures and post-depositional changes.

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.

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

micro (maɪkroʊ ) adjective [usually ADJECTIVE noun] You use micro to indicate that something relates to a specific area, rather than a general one [mainly technical]

What does the prefix macro mean? Learn how to use micro and macro with definitions & example sentences at Writing Explained. Micro prefix meaning…

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.