List of Units
The term pico (symbol p) is a prefix in the International System of Units (SI) denoting a factor of 10−12. The prefix is derived from the Italian piccolo, meaning small.
The term nano (symbol n) is a prefix in the SI denoting a factor of 10−9. The prefix is derived from the Greek nanos, meaning dwarf.
The term micro (symbol µ) is a prefix in the SI denoting a factor of 10−6. The prefix comes from the Greek mikrós, meaning small.
The term milli (symbol m) is a prefix in the SI denoting a factor of 10−3. The prefix comes from the Latin mille, meaning one thousand (the plural is milia).
The term kilo (symbol k) is a prefix in the SI denoting a factor of 103. The prefix comes from the Greek khilioi, meaning thousand.
The term Mega (symbol M) is a prefix in the SI denoting a factor of 106. The prefix comes from the Greek megas, meaning great.
The term Giga (symbol G) is a prefix in the SI denoting a factor of 109. The prefix is derived from the Greek gigas, meaning giant.
The term Tera (symbol T) is a prefix in the SI denoting a factor of 1012. The prefix comes derived from Greek teras, meaning monster.
The term Peta (symbol P) is a prefix in the SI denoting a factor of 1015. The prefix is derived from the Greek pente, meaning five.
The term Exa (symbol E) is a prefix in the SI denoting a factor of 1018. The prefix is derived from the Greek hexa, meaning six.
The ampere (symbol A) is the SI base unit of electric current. It is defined as the current which produces a ...
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