[path-uh-juh n, ‐jen]
- any disease-producing agent, especially a virus, bacterium, or other microorganism.
Origin of pathogen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pathogen
This last capability of the virus appears to be how the pathogen is spreading between farms in different states.Aporkalypse Now: Pig-Killing Virus Could Mean the End of Bacon
August 20, 2014
Most human infections are contracted by inhaling, ingesting, or inoculating a pathogen.This Amoeba Eats Your Brain: Naegleria Fowleri Rattles New Orleans
September 23, 2013
The bacterium is technically a pathogen, so the USDA looks at it.Plants That Glow in the Dark Spark Heated Debate
August 18, 2013
“The mosquito is really wily, but the pathogen is even more wily,” she says.Mosquitoes Love Some People More and Science Wants to Know Why
August 6, 2013
When I started the job in 1992 it was well established as a pathogen, and that was the end of pink burgers for you and for me.Be Afraid of Your Food: An Epidemiologist’s Sensible Advice
March 16, 2013
Pathogen′esis, Pathog′eny, mode of production or development of disease.
Pathogenet′ic, Pathogen′ic, Pathog′enous, producing disease.
- 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
Word Origin and History for pathogen
1880, a back-formation from pathogenic.
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
- 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.
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.