arduin

== Dutch == === Etymology === From Middle Dutch arduun. === Pronunciation === IPA(key): /ɑrˈdœy̯n/ Hyphenation: ar‧duin Rhymes: -œy̯n === Noun === arduin m or n (uncountable, no diminutive) a bluish grey limestone; bluestone Synonym: arduinsteen ==== Usage notes ==== Masculine in Belgium, neuter in the Netherlands. ==== Derived terms ==== arduinsteen