'Pathogen' definitions:
Definition of 'pathogen'
From: WordNet
noun
Any disease-producing agent (especially a virus or bacterium or other microorganism)
Definition of 'Pathogen'
From: GCIDE
- Pathogen \Path"o*gen\, Pathogene \Path"o*gene\, n. [See Pathogenic.] (Biol.) Any microorganism which causes disease; a pathogenic organism; an infectious microorganism; a bacterium, virus, or other agent which can cause disease by infection; -- opposed to zymogene. The spelling pathogene is now archaic. [1913 Webster + PJC]
Synonyms of 'pathogen'
From: Moby Thesaurus
- adenovirus,
- aerobe,
- aerobic bacteria,
- amoeba,
- anaerobe,
- anaerobic bacteria,
- bacillus,
- bacteria,
- bacterium,
- bug,
- coccus,
- disease-producing microorganism,
- echovirus,
- enterovirus,
- filterable virus,
- fungus,
- germ,
- gram-negative bacteria,
- gram-positive bacteria,
- microbe,
- microorganism,
- mold,
- nonfilterable virus,
- picornavirus,
- protozoa,
- protozoon,
- reovirus,
- rhinovirus,
- rickettsia,
- spirillum,
- spirochete,
- spore,
- staphylococcus,
- streptococcus,
- trypanosome,
- vibrio,
- virus