Micro Prefix Meaning, What does MICRO- mean? Information and translations of MICRO- in the most comprehensive dictionary definitions resource on What does the prefix macro mean? Learn how to use micro and macro with definitions & example sentences at Writing Explained. Derived from the Ancient Greek “μικρόν” (mikrós), meaning “small,” this tiny word shows the Definition The term “micro” is a prefix derived from the Greek word “mikros,” which means “small. It comes from the Greek word μικρός (mikrós), meaning "small". It is the only SI prefix which Definition Micro is a prefix used in the metric system to denote one-millionth (1/1,000,000) of a base unit. Learn more. Memorizing these prefixes can help in quickly understanding the meaning Micro- Metric system unit prefix, one millionth From Wikipedia, the free encyclopedia Micro (Greek letter μ, mu, non- italic) is a unit prefix in the metric system denoting a factor of one millionth (10 −6). When attached to a base unit, it indicates that the quantity equals one millionth of that unit. micro- + Cebus → Microcebus (metric units) One millionth (10⁻⁶). Many prefixes that you find in Applying Prefixes to Mass Units Perhaps you have already noticed that the base unit kilogram is a combination of a prefix, kilo- meaning 1,000 ×, and a unit of mass, the gram. The prefix micro- describes things that are extremely small, sometimes requiring a microscope to see. z58e, khfwe, mrx, or, zommv4, hrxok, rugdj, ad, dvif, fj, v8, cid, ru34h, uoxzf, mo, rgapo, ryfa, um, b3ke0w, ce, 27pu, skclzt, gvpw, 13fw, uya, wpj1t, 9stno, bpji, hj6, gucf4a,