path·o·gen

[path-uh-juhn, ‐jen]
noun
any disease-producing agent, especially a virus, bacterium, or other microorganism.

Origin:
1940–45; patho- + -gen

an·ti·path·o·gen, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To Pathogen
Collins
World English Dictionary
pathogen or pathogene (ˈpæθəˌdʒɛn, ˈpæθəˌdʒiːn) [Click for IPA pronunciation guide]
 
n
any agent that can cause disease
 
pathogene or pathogene
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Pathogen is a TOEFL word you need to know.
So is impropriety. Does it mean:
cautious; watchful
an erroneous or unsuitable expression, act, etc.
Etymonline
Word Origin & History

pathogen
1880, a back formation from pathogenic.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

pathogen path·o·gen (pāth'ə-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.
Cite This Source
American Heritage
Science Dictionary
pathogen   (pāth'ə-jən)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Cultural Dictionary
pathogen [(path-uh-juhn)]

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

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Example sentences
Despite this, there is no federal requirement for grinders to test their
  ingredients for the pathogen.
Naive cells become memory cells when exposed to a pathogen.
None of my friends have seen a doctor, but even if they did, they would not get
  a fancy lab test that can identify the pathogen.
Because people have the same immune system gene, in theory a similar step could
  create a pathogen deadly to people.
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT