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The combining form -pnea is used like a suffix meaning “breath, respiration.” It is often used in medical terms, especially in pathology.
The form -pnea comes from the Greek pneîn, meaning “to breathe.”
What are variants of –pnea?
In British English, -pnea is commonly spelled -pnoea.
One common word featuring -pnea is apnea, meaning “temporary suspension of breathing.” This is a medical condition that many people suffer from, particularly during sleep.
As we’ve seen, -pnea refers to “breath.” The prefix a-, here, means “not, without.” That means apnea literally translates to “without breath.”
What are some words that use the combining form –pnea?
What are some other forms that –pnea may be commonly confused with?
The word pneumonia, a respiratory illness, comes from the Greek pneúmōn, meaning “lung” and which is related to -pnea, which, if you’ll recall, is from the Greek pneîn, meaning “to breathe.” Can you see the connection?
Break it down!
The prefix hyper- is borrowed from Greek to mean “over” (implying excess). With that in mind, what do you deduce hyperpnea is?
Medical definitions for -pnea
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