Causing disease or capable of doing it. Pathogenic bacteria are disease-causing bacteria. For example, pathogenic E. coli are E. coli that are not innocuous (like most E. coli) but can make a person ill and even kill them. The word "pathogenic" comes from two Greek roots: "pathos" (disease) + "genesis" (bringing into being) = literally, bringing disease into being.

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patho·gen·ic -'jen-ik adj
2) causing or capable of causing disease <\pathogenic microorganisms>
patho·gen·i·cal·ly -i-k(ə-)lē adv

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capable of causing disease. The term is applied to a parasitic microorganism (especially a bacterium) in relation to its host.

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path·o·gen·ic (path-o-jenґik) causing disease or morbid symptoms.

Medical dictionary. 2011.

Look at other dictionaries:

  • Pathogenic — Path o*gen ic, a. [Gr. ? disease + the root of ? birth.] (Med. & Biol.) Of or pertaining to pathogeny; producting disease; as, a pathogenic organism; a pathogenic bacterium. [1913 Webster] …   The Collaborative International Dictionary of English

  • pathogenic — index contagious, insalubrious Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • pathogenic — (adj.) producing disease, 1852, from Fr. pathogénique, from Gk. pathos disease (see PATHOS (Cf. pathos)) + Fr. génique producing (see GEN (Cf. gen)). Earlier pathogenetic (1838). Related: Pathogenicity …   Etymology dictionary

  • pathogenic — [path əjen′ik] adj. producing disease pathogenicity [path′əjə nis′ə tē] n. pathogenically adv …   English World dictionary

  • pathogenic — /path euh jen ik/, adj. Pathol. capable of producing disease: pathogenic bacteria. [1850 55; PATHO + GENIC] * * * …   Universalium

  • pathogenic — adjective Able to cause (harmful) disease. While the environment is teeming with bacteria and fungi, most are not pathogenic. See Also: pathology …   Wiktionary

  • pathogenic — [[t]pæ̱θəʤe̱nɪk[/t]] ADJ: usu ADJ n A pathogenic organism can cause disease in a person, animal, or plant. [TECHNICAL] …   English dictionary

  • pathogenic — adjective able to cause disease (Freq. 2) infective agents pathogenic bacteria • Syn: ↑infective, ↑morbific • Similar to: ↑unhealthful …   Useful english dictionary

  • pathogenic — adjective Etymology: International Scientific Vocabulary Date: 1852 1. pathogenetic 1 2. causing or capable of causing disease • pathogenicity noun …   New Collegiate Dictionary

  • pathogenic — Capable of causing disease …   Dictionary of molecular biology

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