haemophilus

noun
hae·​moph·​i·​lus | \ hē-ˈmä-fə-ləs How to pronounce haemophilus (audio) \
plural haemophili\ hē-​ˈmä-​fə-​lē How to pronounce haemophilus (audio) \

Definition of haemophilus

: any of a genus (Haemophilus) of nonmotile, gram-negative, rod-shaped bacteria that include several important pathogens (such as Haemophilus influenzae associated with meningitis, pneumonia, conjunctivitis, and otitis media)

Note: Haemophili are parasitic on the mucous membranes of humans and other, mainly warm-blooded animals. They prefer aerobic conditions but are also capable of living under anaerobic conditions.

— see hib

Examples of haemophilus in a Sentence

Recent Examples on the Web Mandatory immunizations include measles, mumps and rubella; diphtheria; pertussis (whooping cough); tetanus; poliomyelitis; and haemophilus influenzae type B, an infection that can lead to bacterial meningitis. Jenna Carlesso, courant.com, 30 Mar. 2021 Mandatory childhood immunizations include measles, mumps and rubella, diphtheria, pertussis (whooping cough), tetanus, poliomyelitis, and haemophilus influenzae type B, an infection that can lead to bacterial meningitis. Jenna Carlesso, courant.com, 15 Dec. 2020 The reports involve different regions of the state and different diseases, including pertussis (whooping cough), influenza, haemophilus influenzae infection, Legionnaire’s disease and pneumonia caused by rhinovirus or human metapneumovirus. USA TODAY, 22 July 2019 The cause was haemophilus influenzae sepsis, said his wife, Rosilyn Alter. Washington Post, 27 Jan. 2018 Some the bacteria identified in the study include staphylococcus, corynebacterium, haemophilus and neisseria. Don Sweeney, miamiherald, 4 Aug. 2017 Some the bacteria identified in the study include staphylococcus, corynebacterium, haemophilus and neisseria. Don Sweeney, miamiherald, 4 Aug. 2017 Some the bacteria identified in the study include staphylococcus, corynebacterium, haemophilus and neisseria. Don Sweeney, sacbee, 30 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'haemophilus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of haemophilus

1942, in the meaning defined above

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The first known use of haemophilus was in 1942

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Cite this Entry

“Haemophilus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/haemophilus. Accessed 22 Jun. 2021.

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More Definitions for haemophilus

haemophilus

noun
hae·​moph·​i·​lus | \ hē-ˈmäf-ə-ləs How to pronounce haemophilus (audio) \

Medical Definition of haemophilus

1 capitalized : a genus of nonmotile, gram-negative, rod-shaped bacteria of the family Pasteurellaceae that include several important pathogens (as H. influenzae associated with meningitis, pneumonia, conjunctivitis, and otitis media and H. ducreyi of chancroid)
2 plural haemophili\ -​lē How to pronounce haemophilus (audio) \ : any bacterium of the genus Haemophilus

Note: Bacteria of the genus Haemophilus are parasitic on the mucous membranes of humans and other, mainly warm-blooded animals. They prefer aerobic conditions but are also capable of living under anaerobic conditions.

— see hib

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