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Dictionary · Word part

pneum/o

A word root that means air or lung; pneumon/o and pulmon/o also mean lung.

NOO-moh root

What it means

The root in words about the lungs and the air in them. pneumonianoo-MOHN-yuhAn infection of one or both lungs in which the air sacs fill with fluid or pus.pneum/o lung, air-ia conditionFull entry is infection of the lung, a pneumothorax is air in the chest outside the lung, and pneumatic means worked by air. The related root pulmon/o gives pulmonaryPUL-muh-nair-eeRelating to the lungs.pulmon/o lung-ary relating toFull entry and pulmonology.

At a glance

Also writtenpneum-, pneumo-, pneumon/o, pneumono-

Related terms

-pnea

A word ending that means breathing.

pulmonary

Relating to the lungs.

pneumonia

An infection of one or both lungs in which the air sacs fill with fluid or pus.

respiratory

Relating to breathing or to the organs used for breathing.

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