Breadcrumb Home > Thesaurus > P Synonyms of pneumothorax Find synonyms for: Noun 1. pneumothorax, abnormality, abnormalcy usage: abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pneumothorax (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: feinschmecker Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language