pathogen

[ path-uh-juhn, ‐jen ]
/ ˈpæθ ə dʒən, ‐ˌdʒɛn /

noun

any disease-producing agent, especially a virus, bacterium, or other microorganism.

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Origin of pathogen

First recorded in 1940–45; patho- + -gen

OTHER WORDS FROM pathogen

an·ti·path·o·gen, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pathogen

British Dictionary definitions for pathogen

pathogen

pathogene (ˈpæθəˌdʒiːn)

/ (ˈpæθəˌdʒɛn) /

noun

any agent that can cause disease
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for pathogen

pathogen
[ păthə-jən ]

n.

An agent that causes disease, especially a living microorganism such as a bacterium, virus, or fungus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for pathogen

pathogen
[ păthə-jən ]

An agent that causes infection or disease, especially a microorganism, such as a bacterium or protozoan, or a virus. See Note at germ.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for pathogen

pathogen
[ (path-uh-juhn) ]

A disease-causing agent. Microorganisms, viruses, and toxins are examples of pathogens.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.