pan·​leu·​ko·​pe·​nia ˌpan-ˌlü-kə-ˈpē-nē-ə How to pronounce panleukopenia (audio)
: an acute usually fatal epizootic disease especially of cats that is caused by a parvovirus (species Feline panleukopenia virus of the genus Parvovirus) and is marked by fever, diarrhea and dehydration, and destruction of white blood cells

Examples of panleukopenia in a Sentence

Recent Examples on the Web The cat area briefly closed in July after some kittens were infected by panleukopenia, which is deadly to unvaccinated felines. USA TODAY, 6 Sep. 2019 All pet adoptions are spayed or neutered, given age-appropriate vaccines (including rabies and distemper/parvo/panleukopenia), heartworm or feline leukemia/FIV tested and microchipped. Chris Sims, Indianapolis Star, 11 June 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'panleukopenia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of panleukopenia was in 1939

Dictionary Entries Near panleukopenia

Cite this Entry

“Panleukopenia.” Dictionary, Merriam-Webster, Accessed 15 Jul. 2024.

Medical Definition


variants or chiefly British panleucopenia
: an acute usually fatal epizootic disease especially of cats that is caused by a single-stranded RNA virus of the genus Parvovirus (species Feline panleukopenia virus) and is characterized by fever, diarrhea, and dehydration and by extensive destruction of white blood cells

called also cat distemper, cat fever, cat plague, cat typhoid, feline distemper, feline enteritis, feline panleukopenia

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