pathogen

POS

Noun

HYPHEN

path=o=gen

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CIDE DICTIONARY

pathogen, n. [See Pathogenic.].

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]

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OXFORD DICTIONARY

pathogen, n. an agent causing disease.

Derivative

pathogenic adj. pathogenous adj.

Etymology

PATHO- + -GEN

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THESAURUS

pathogen

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

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