pathogen

play
noun path·o·gen \ˈpa-thə-jən\

Definition of pathogen

  1. :  a specific causative agent (such as a bacterium or virus) of disease

Origin and Etymology of pathogen

International Scientific Vocabulary


First Known Use: 1880

Other Microbiology Terms


PATHOGEN Defined for English Language Learners

pathogen

play
noun path·o·gen \ˈpa-thə-jən\

Definition of pathogen for English Language Learners

  • medical : something (such as a type of bacteria or a virus) that causes disease


Medical Dictionary

pathogen

play
noun patho·gen \ˈpath-ə-jən\

Medical Definition of pathogen

  1. :  a specific causative agent (as a bacterium or virus) of disease


Learn More about pathogen


Seen and Heard

What made you want to look up pathogen? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

capable of being altered or controlled

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • peter-bruegel-tower-of-babel-painting
  • What language does pajama come from?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!