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atelectasis vs. pneumonia

[at-l-ek-tuh-sis] / ˌæt lˈɛk tə sɪs /

noun

Pathology.
  1. incomplete expansion of the lungs at birth, as from lack of breathing force.

  2. collapse of the lungs, as from bronchial obstruction.

[noo-mohn-yuh, -moh-nee-uh, nyoo-] / nʊˈmoʊn yə, -ˈmoʊ ni ə, nyʊ- /

noun

Pathology.
  1. inflammation of the lungs with congestion.

  2. Also called lobar pneumonia.  an acute disease of the lungs, caused by the bacterium Streptococcus pneumoniae and characterized by fever, a cough with blood-tinged phlegm, and difficult breathing.