Definition of pathogen
: a specific causative agent (such as a bacterium or virus) of disease
Recent Examples of pathogen from the Web
Hagerty says the conditions that lead to strong, healthy plants often can result in healthy pathogens.
But the president has drawn a narrow definition of national security, and one aspect of defense would actually receive less money: protecting the nation from deadly pathogens, man-made or natural.
Depending on destinations, in Southeast Asia, Cipro does not work anymore against those common pathogens that cause traveler's diarrhea.
Along with pathogens found in sewage — including bacteria such as E. coli, vibrio and salmonella — there are viruses and intestinal parasites that can cause everything from diarrhea to meningitis to respiratory infections.
Systematic pathogen surveillance is within our grasp, but is still undervalued and underfunded relative to the magnitude of the threat.
Almost any skilled geneticist with a laptop, published gene sequence information and mail-order DNA can potentially create a lethal artificial pathogen.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pathogen'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of pathogen
International Scientific Vocabulary
First Known Use: 1880See Words from the same year
PATHOGEN Defined for English Language Learners
Definition of pathogen for English Language Learners
medical : something (such as a type of bacteria or a virus) that causes disease
Medical Definition of pathogen
: a specific causative agent (as a bacterium or virus) of disease
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