primary atypical pneumonia

noun

: any of a group of pneumonias (such as Q fever and psittacosis) caused especially by a virus, mycoplasma, rickettsia, or chlamydia

Word History

First Known Use

circa 1944, in the meaning defined above

Time Traveler
The first known use of primary atypical pneumonia was circa 1944

Dictionary Entries Near primary atypical pneumonia

Cite this Entry

“Primary atypical pneumonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/primary%20atypical%20pneumonia. Accessed 22 Dec. 2024.

Medical Definition

primary atypical pneumonia

noun
: any of a group of pneumonias (as Q fever and psittacosis) caused especially by a virus, mycoplasma, rickettsia, or chlamydia
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