1. A radioactive element of the alkali-metal group discovered as a disintegration product of actinium
   - francium, Fr

Type of: metal, metallic element

• Ulmus alata
• Ulmus americana
• Ulmus campestris sarniensis
• Ulmus campestris wheatleyi
• Ulmus carpinifolia
• Ulmus crassifolia
• Ulmus glabra
• Ulmus hollandica
• Ulmus hollandica vegetata
• Ulmus laevis
• Ulmus parvifolia
• Ulmus procera
• Ulmus pumila
• Ulmus rubra
• Ulmus sarniensis
• Ulmus serotina
• Ulmus thomasii
• ulna
• ulnar
• ulnar artery
• ulnar nerve
• ulnar vein
• ulotrichous
• Ulrich Zwingli
• ulster