1. A semitranslucent form of opal that becomes translucent or transparent when immersed in water

Derived forms: hydrophanes

• Aralia spinosa
• Aralia stipulata
• Araliaceae
• Aram
• Aram Ilich Khachaturian
• Aram Kachaturian
• Aram Khachaturian
• Aramaean
• Aramaic
• Aramaic script
• arame
• Aramean
• Aramus
• Aramus guarauna
• Aramus pictus
• Aran Islands
• Aranea
• Aranea diademata
• Araneae
• Araneida
• araneidal
• araneidan
• Araneus
• Araneus cavaticus
• Aranyaka