twaalfvlak

== Dutch == === Etymology === Compound of twaalf +‎ vlak. === Pronunciation === IPA(key): /ˈtʋaːlˌvlɑk/ Hyphenation: twaalf‧vlak === Noun === twaalfvlak n (plural twaalfvlakken, no diminutive) dodecahedron Synonym: dodecaëder