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Definition of pneumo-

variant of pneumato- or pneumono-: pneumococcus.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does pneumo- mean?

Pneumo- is a combining form used like a prefix meaning “lung” or “breath.” It is often used in medical terms, especially in pathology and anatomy.

Pneumo- comes from the Greek pneúmōn, meaning “lung.” Pneúmōn helps form the Greek word pneumonía, source of the English pneumonia, “inflammation of the lungs with congestion.”

Pneumo- is a variant of both the combining forms pneumato-, meaning “air, breath, spirit,” and pneumono-, meaning “lung.” Learn more in our Words That Use articles for these forms.

What are variants of pneumo-?

When combined with words or word elements that begin with a vowel, pneumo- becomes pneum-, as in pneumectomy.

The Greek pneúmōn is also related to the combining form -pnea.

Want to know more? Read our Words That Use -pnea article.

Examples of pneumo-

One example of a medical term that features pneumo- is pneumotomy, also known as pneumonotomy, meaning “incision of the lung,” a surgical procedure.

As we know, pneumo- can mean “lung.” The second part of the word, -tomy, means “cutting, incision.” Pneumotomy literally translates to “lung incision.”

What are some words that use the combining form pneumo-?

What are some other forms that pneumo- may be commonly confused with?

Break it down!

A pneumolith is a type of calculus, or stone or concretion, that can form in the body. Based on the meaning of pneumo-, where in the body is a pneumolith found?

How to use pneumo- in a sentence

British Dictionary definitions for pneumo-


pneumono-, before a vowel pneum- or before a vowel pneumon-

combining form
of or related to a lung or the lungs; respiratorypneumoconiosis; pneumonitis

Word Origin for pneumo-

from Greek pneumōn lung or pneuma breath
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012