1. Become covered with a layer of ice; of a surface such as a window
   - ice up, frost over, ice over

Type of: change

• osteocyte
• osteodystrophy
• osteogenesis imperfecta
• osteogenic sarcoma
• Osteoglossidae
• Osteoglossiformes
• osteoid
• osteologer
• osteological
• osteologist
• osteology
• osteolysis
• osteoma
• osteomalacia
• osteomyelitis
• osteopath
• osteopathic
• osteopathist
• osteopathy
• osteopetrosis
• osteophyte
• osteoplasty
• osteoporosis
• osteosarcoma
• osteosclerosis