18-Eck

German

German numbers ^(edit)

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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
German Wikipedia article on 18

Noun

18-Eck n (strong, genitive 18-Eckes or 18-Ecks, plural 18-Ecke)

1. Alternative spelling of Achtzehneck