The meaning of PATHOGEN is a specific causative agent (such as a bacterium or virus) of disease. How to use pathogen in a sentence.

In biology, a pathogen (Greek: πάθος, pathos "suffering", "passion" and -γενής, -genēs "producer of"), in the oldest and broadest sense, is any organism, agent or micro-organism that can produce …

Jun 17, 2025 · Pathogens are tiny organisms that can make you sick if they get inside your body. Viruses, bacteria, fungi, parasites and prions are pathogens.

Aug 21, 2020 · A pathogen brings disease to its host. Another name for a pathogen is an infectious agent, as they cause infections. As with any organism, pathogens prioritize survival and reproduction.

PATHOGEN definition: any disease-producing agent, especially a virus, bacterium, or other microorganism. See examples of pathogen used in a sentence.

Add to word list biology any small organism that can cause disease (Definition of pathogen from the Cambridge Academic Content Dictionary © Cambridge University Press)

Apr 26, 2023 · What are Pathogens? Pathogens are defined as microscopic organisms, including viruses, bacteria, fungi, and parasites that can cause diseases in humans, animals, and plants.

A simple definition of a pathogen is an organism that can overcome the defence mechanisms of the body and induce deleterious changes in the host.

Aug 4, 2025 · Pathogens are a small, dangerous minority within this microbial universe. They are defined not by their size or structure, but by their relationship with us. A pathogen is any microbe …

Definition of pathogen noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.