See also: atto, attó, attò, and attõ

English

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Etymology

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From Danish atten (eighteen), extending the idea to how femto- is derived from Danish femten (fifteen) and the fermi unit.

Prefix

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SI prefix
a Previous: zepto-
Next: femto-

atto-

  1. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10−18 (short scale quintillionth or long scale trillionth). Symbol: a

Antonyms

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Derived terms

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Translations

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Anagrams

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Catalan

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Etymology

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Borrowed from Danish atten (eighteen).

Prefix

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atto-

  1. atto-

Further reading

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Danish

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Etymology

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From atten (eighteen).

Prefix

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atto-

  1. atto-

Dutch

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Dutch Wikipedia has an article on:
Wikipedia nl

Etymology

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From Danish atten (eighteen).

Pronunciation

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  • IPA(key): /ˈɑ.toː/
  • Audio:(file)

Prefix

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atto-

  1. atto-

Finnish

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Etymology

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Internationalism (see English atto-).

Pronunciation

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  • IPA(key): /ˈɑtːo-/, [ˈɑ̝t̪ːo̞-]

Prefix

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atto-

  1. atto-

Further reading

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Anagrams

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French

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Pronunciation

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Prefix

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atto-

  1. atto-

Polish

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Etymology

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    Derived from Danish atten.

    Pronunciation

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    • IPA(key): /at.tɔ/
    • Audio:(file)
    • Rhymes: -attɔ
    • Syllabification: [please specify syllabification manually]

    Prefix

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    atto-

    1. atto-
      atto- + ‎sekunda → ‎attosekunda

    Derived terms

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    Further reading

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    • atto- in Polish dictionaries at PWN

    Spanish

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    Etymology

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    Borrowed from Danish atten (eighteen).

    Pronunciation

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    Prefix

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    atto-

    1. atto-

    Further reading

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