zulo beltz

== Basque == === Pronunciation === Hyphenation: zu‧lo beltz === Noun === zulo beltz inan (astronomy) black hole ==== Declension ==== === Further reading === “zulo beltz”, in Euskaltzaindiaren Hiztegia [Dictionary of the Basque Academy] (in Basque), Euskaltzaindia [Royal Academy of the Basque Language]