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

• proof-marks
• proof-puller
• proof-pullers
• proofread
• proofreader
• proofreaders
• proofreading
• proofreadings
• proofreads
• proofs
• proof sheet
• proof sheets
• proof spirit
• proof spirits
• proof text
• proof texts
• prootic
• prootics
• prop
• prop.
• PROP
• propaedeutic
• propaedeutical
• propaedeutics
• propagable