German

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German numbers (edit)
 ←  17 18 19  → 
    Cardinal: achtzehn
    Ordinal: achtzehnte
    Sequence adverb: achtzehntens
    Ordinal abbreviation: 18.
    Adverbial: achtzehnmal
    Adverbial abbreviation: 18-mal
    Multiplier: achtzehnfach
    Multiplier abbreviation: 18-fach
    Fractional: Achtzehntel
    Polygon: Achtzehneck
    Polygon abbreviation: 18-Eck
    Polygonal adjective: achtzehneckig
    Polygonal adjective abbreviation: 18-eckig

Etymology

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achtzehn +‎ -fach

Pronunciation

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  • IPA(key): /ˈaxt͡seːnˌfaχ/

Adjective

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achtzehnfach (strong nominative masculine singular achtzehnfacher, not comparable)

  1. eighteenfold
    Synonym: 18-fach

Declension

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