bru·​cel·​lo·​sis ˌbrü-sə-ˈlō-səs How to pronounce brucellosis (audio)
plural brucelloses ˌbrü-sə-ˈlō-ˌsēz How to pronounce brucellosis (audio)
: infection with or disease caused by brucellae

Examples of brucellosis in a Sentence

Recent Examples on the Web Reasons to keep bison as private property, instead of public wildlife, range from worries that free-ranging bison would wreck fences, might transmit the virulent disease brucellosis to cattle, and aren’t compatible with private property. Andrew McKean, Outdoor Life, 26 Oct. 2023 When listing economic pressures on their operations, ranchers cite elk for impacting agricultural forage and fences, and for their ability to transmit the bacterial disease brucellosis to livestock. Andrew McKean, Outdoor Life, 21 Dec. 2023 During the March meeting, several members asked about nutritional issues as well as brucellosis. Zaz Hollander, Anchorage Daily News, 10 June 2023 The group previously created an insurance indemnity fund to pay Paradise Valley ranchers for the impacts to their operation created when brucellosis is transmitted from wild elk to domestic cattle. Andrew McKean, Outdoor Life, 21 Dec. 2023 It may also have been born infertile and susceptible to a host of canine diseases, such as parvovirus, distemper, and brucellosis. Matt Hrodey, Discover Magazine, 18 Oct. 2023 Before pasteurization became mandatory in U.S. states in the mid-1900s, bacteria in milk was a leading cause of tuberculosis, brucellosis, diphtheria, scarlet fever, and Q-fever. Claire Bugos, Verywell Health, 20 July 2023 The researchers found the main threats were loss of food supply to climate change or overgrazing and brucellosis, a disease that can lead to swollen joints and reproductive issues that can limit calf and adult survival. Zaz Hollander, Anchorage Daily News, 10 June 2023 The relocation idea came up in the midseason finale when a bacterial disease called brucellosis threatened to wipe out the Yellowstone cattle if they weren't moved soon. Selena Barrientos, Good Housekeeping, 17 June 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'brucellosis.' 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

1930, in the meaning defined above

Time Traveler
The first known use of brucellosis was in 1930

Dictionary Entries Near brucellosis

Cite this Entry

“Brucellosis.” Dictionary, Merriam-Webster, Accessed 18 Apr. 2024.

Medical Definition


bru·​cel·​lo·​sis ˌbrü-sə-ˈlō-səs How to pronounce brucellosis (audio)
plural brucelloses -ˌsēz How to pronounce brucellosis (audio)
: a disease of domestic animals caused by bacteria of the genus Brucella (Brucella melitensis of goats, B. suis of swine and rarely cattle, B. abortus of cattle and rarely swine, and B. canis of dogs) and is marked especially by abortion see bang's disease, contagious abortion
: an acute or chronic disease of humans that is acquired especially through direct contact with animals or animal products (as unpasteurized milk) infected with bacteria of the genus Brucella and is characterized by fever, fatigue, joint and muscle pain, loss of appetite, and swelling of internal organs (as the liver or heart)

called also Malta fever, Mediterranean fever, undulant fever

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