Also found in: Medical.


or pneum-
1. Air; gas: pneumothorax.
2. Lung; pulmonary: pneumoconiosis.
3. Respiration: pneumograph.
4. Pneumonia: pneumococcus.

[From Greek pneuma, wind, breath; see pneu- in Indo-European roots, and from Greek pneumōn, alteration (influenced by pneuma) of pleumōn, lung; see pleu- in Indo-European roots.]




, before a vowel


or before a vowel


combining form
(Physiology) of or related to a lung or the lungs; respiratory: pneumoconiosis; pneumonitis.
[from Greek pneumōn lung or pneuma breath]


a combining form meaning “lung,” “thorax”: pneumograph.

Also, pneumono-;

[shortening of pneumono-, comb. form representing Greek pneúmōn lung; akin to pneûma breath (see pneuma)]
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The most common sarcomas contributing to pneumo- thorax are osteosarcoma and synovial sarcomas3.
Decline in invasive pneumo- pneumococcal disease after the introduction of protein-polysaccharide conjugate vaccine.
These include hemorrhage, venous thrombosis (uninfected), extravascular hematoma, local or systemic infection, pneumo- hydro- hemo- or chylo-thorax, air embolus, catheter fragment embolus, nerve injury, arteriovenous fistula, and cardiac arrhythmias or tamponade.
Obtain full country and product-specific forecasts of currently marketed and pipeline pneumo- and meningococcal vaccines from 2010 to 2019.