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actinomycete

[ ak-tin-oh-mahy-seet, -mahy-seet, ak-tuh-noh- ]

noun

, Bacteriology.
  1. any of several rod-shaped or filamentous, aerobic or anaerobic bacteria of the phylum Chlamydobacteriae, or in some classification schemes, the order Actinomycetales, certain species of which are pathogenic for humans and animals.


actinomycete

/ ˌæktɪnəʊmaɪˈsiːt /

noun

  1. any bacterium of the group Actinomycetes, usually filamentous in form


actinomycete

/ ăk′tə-nō-mīsēt′ /

  1. Any of various bacteria belonging to the phylum Actinobacteria that grow as branching filaments resembling fungal hyphae and are found in soil. The filaments often grow in colonies but sometimes break off into rod-shaped structures. Many species of actinomycetes produce important antibiotics such as streptomycin, while others are pathogenic in humans and other animals, especially for skin diseases. One species lives symbiotically in the roots of alders and conducts nitrogen fixation. Because of their resemblance to fungi, actinomycetes were once classified as fungi.


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Other Words From

  • ac·tino·my·cetous adjective
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Word History and Origins

Origin of actinomycete1

First recorded in 1915–20; probably through construal of New Latin Actinomycetes (plural of actinomyces ) as an English plural noun; -mycete
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Word History and Origins

Origin of actinomycete1

C20: from actino- + -mycete

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actinomycesactinomycin