atelectasis /a-te-lekˈtə-sis or a-ti-/ (medicine)

1. Incomplete inflation of a lung at birth
2. The collapse of a lung in an adult

atelectatic /-tatˈik/ adjective

• niffy
• niffy-naffy
• Niflheim
• niftier
• niftiest
• niftily
• niftiness
• niftinesses
• nifty
• nigella
• nigellas
• niger
• Nigerian
• Nigerien
• niger oil
• nigers
• niger seeds
• niggard
• niggarded
• niggarding
• niggardise
• niggardises
• niggardize
• niggardizes
• niggardliness