1. A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
   - protactinium, protoactinium, Pa

Type of: metal, metallic element

• Miltiades
• miltomate
• Milton
• Milton Friedman
• Milton Snavely Hershey
• Miltonia
• Miltown
• Milvus
• Milvus migrans
• Milwaukee
• Mimamsa
• mime
• mimeo
• mimeograph
• mimeograph machine
• mimer
• mimesis
• mimetic
• mimic
• mimicker
• mimicry
• Mimidae
• Mimir
• mimosa
• mimosa bush