Micro
Micro é um Prefixo do Sistema Internacional de Unidades denotando um fator de 10−6 (um milionésimo). O símbolo para este é o (µ).[1]
Confirmado em 1960, o prefixo vem do grego μικρός (transliterado: mikros), significando pequeno.
Comumente, o prefixo significa "muito pequeno".[2]
Referências
- ↑ International Bureau of Weights and Measures (2006). «Le Système International d'unités» (PDF) (em francês) 8th ed. p. 36. ISBN 92-822-2213-6. Consultado em 8 de julho de 2022. Cópia arquivada (PDF) em 4 de junho de 2021
- ↑ «micro». Dicionário Priberam da Língua Portuguesa. Priberam Informática
| Prefixo | Base 10 | Decimal | Adoção [nb 1] | |
|---|---|---|---|---|
| Nome | Símbolo | |||
| quetta | Q | 1030 | 1000000000000000000000000000000 | 2022[1] |
| ronna | R | 1027 | 1000000000000000000000000000 | |
| yotta | Y | 1024 | 1000000000000000000000000 | 1991 |
| zetta | Z | 1021 | 1000000000000000000000 | |
| exa | E | 1018 | 1000000000000000000 | 1975[2] |
| peta | P | 1015 | 1000000000000000 | |
| tera | T | 1012 | 1000000000000 | 1960 |
| giga | G | 109 | 1000000000 | |
| mega | M | 106 | 1000000 | 1873 |
| quilo | k | 103 | 1000 | 1795 |
| hecto | h | 102 | 100 | |
| deca | da | 101 | 10 | |
| — | — | 100 | 1 | — |
| deci | d | 10−1 | 0,1 | 1795 |
| centi | c | 10−2 | 0,01 | |
| mili | m | 10−3 | 0,001 | |
| micro | μ | 10−6 | 0,000001 | 1873 |
| nano | n | 10−9 | 0,000000001 | 1960 |
| pico | p | 10−12 | 0,000000000001 | |
| femto | f | 10−15 | 0,000000000000001 | 1964 |
| atto | a | 10−18 | 0,000000000000000001 | |
| zepto | z | 10−21 | 0,000000000000000000001 | 1991 |
| yocto | y | 10−24 | 0,000000000000000000000001 | |
| ronto | r | 10−27 | 0,000000000000000000000000001 | 2022[1] |
| quecto | q | 10−30 | 0,000000000000000000000000000001 | |
| ||||
- ↑ a b «On the extension of the range of SI prefixes». 18 de novembro de 2022. Consultado em 5 de fevereiro de 2023
- ↑ «Metric (SI) Prefixes». NIST
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