[ brong-koh ]
/ ˈbrɒŋ koʊ /
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noun, plural bron·chos.
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Other definitions for broncho (2 of 2)


a combining form representing bronchus or bronchia in compound words: bronchopneumonia.
Also especially before a vowel, bronch-.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023


What does broncho- mean?

Broncho- is a combining form used like a prefix representing the words bronchus or bronchia. The bronchus (plural bronchi) is either of two main branches of the trachea that goes to the lung. The bronchia are smaller branches off of the bronchi. Broncho- is used in many medical terms.

Broncho- comes from the Greek brónchos, meaning “windpipe,” another name for the trachea.

What are variants of broncho-

When combined with words or word elements that begin with a vowel, broncho- becomes bronch-, as in bronchitis (which uses the equivalent form of bronch– in New Latin).

An occasional variant of broncho- is bronchio-, as in bronchiocele.

Examples of broncho-

One example of a medical term that features the combining form broncho- is bronchotomy, “incision into a bronchus.”

As we have seen, broncho- can represent bronchus. But what about tomy? That’s right, -tomy is a combining form meaning “cutting, incision.” Bronchotomy literally translates to “bronchus incision.”

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

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

Break it down!

The combining form -scope means “an instrument for viewing.” What is a bronchoscope used to view?

How to use broncho in a sentence

British Dictionary definitions for broncho


before a vowel bronch-

combining form
indicating or relating to the bronchibronchitis

Word Origin for broncho-

from Greek: bronchus
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