German edit

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

Alternative forms edit

Etymology edit

Achtzehneck +‎ -ig

Pronunciation edit

  • IPA(key): /ˈaxt͡seːnˌ.ɛkɪç/
  • Hyphenation: acht‧zehn‧eckig

Adjective edit

achtzehneckig (strong nominative masculine singular achtzehneckiger, not comparable)

  1. octadecagonal

Declension edit

Hypernyms edit

Coordinate terms edit

Related terms edit