Nano (symbol n) is a unit prefix meaning one billionth. Used primarily with the metric system, this prefix denotes a factor of 10 −9 or 0.000 000 001. It is frequently encountered in science and …

The meaning of NANO- is one billionth (10—9) part of. How to use nano- in a sentence.

Nano- definition: a combining form with the meaning “very small, minute,” used in the formation of compound words (nanoplankton ); in the names of units of measure it has the specific sense …

Extremely small (Definition of nano- from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

nano- in American English (ˈnænoʊ ; ˈnænə ) one billionth part of (a specified unit); the factor 10 -9 nanosecond

Definition of nano- combining form in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Oct 31, 2025 · nano- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10 −9 (short scale billionth or long scale milliardth).