ˌad. ə lˈektəsə̇s noun
( plural atelecta·ses -əˌsēz)
Etymology: New Latin, from atel- + Greek ektasis extension — more at ectasis
: collapse of the expanded lung ; also : defective expansion of the pulmonary alveoli at birth
• at·e·lec·tat·ic | ̷ ̷ ̷ ̷ˌlek|tad.ik adjective