Meaning Of The Word Atto-

Real Dictionary

What's the definition of Atto-? Find Atto- meanings, definitions and more at the Real Dictionary online.

Atto- Meaning

Atto- Definition
Atto- Definition

What's The Definition Of Atto-?

atto- in American English
one quintillionth part of; the factor 10-18
combining form: a combining form that enters into compounds denoting a unit one-quintillionth (10−18) the size of the unit named by the stem

atto- in British English
prefix: denoting 10–18

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