A1

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See also: A 1, A-1, A-1+, and a1

Translingual

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The relative size of A1 paper.

Etymology

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  • (paper size): Specified in ISO 216.

Symbol

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A1

  1. (international standards) ISO 216 standard paper size of 594 mm × 841 mm (23.39 in × 33.11 in), with a surface area of 0.5 m2 (5.38 sq ft).
  2. (finance) Long-term bond credit rating by Moody's Investors Service, indicating that a bond is upper-medium grade with low risk of default.

See also

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English

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Etymology 1

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From various rating systems, as that of Lloyd's of London or the condition of insured ships. First attested in 1837.

Alternative forms

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Adjective

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A1 (not comparable)

  1. (informal) In good health.
  2. (informal) In excellent or top condition.
  3. (of a ship) First-class. (Compare A 2 and A 3, which are inferior grades.)

Etymology 2

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Noun

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A1 (plural A1s)

  1. Under the International Union of Railways (French: Union internationale des chemins de fer, UIC) classification system, a steam locomotive that has two coupled driving wheels followed by two trailing wheels, with no leading wheels; also called an 0-2-2.

Anagrams

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Chinese

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Pronunciation

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Noun

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A1

  1. (Hong Kong Cantonese) front page of a newspaper

Synonyms

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Norwegian Bokmål

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Etymology

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See the Wikipedia article ISO 216, the international standard on paper sizes.

Pronunciation

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  • IPA(key): /ˈɑːeːn/
  • Audio:(file)
  • Rhymes: -eːn
  • Hyphenation: A‧1

Noun

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A1 (uncountable)

  1. A1 (a standard paper size, defined by ISO 216)

See also

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References

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