actinomycete

actinomycete

[ak-tin-oh-mahy-seet, -mahy-seet, ak-tuh-noh-]
noun Bacteriology.
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.

Origin:
1915–20; probably through construal of Neo-Latin Actinomycetes (plural of actinomyces) as an E plural noun; see -mycete

actinomycetous, adjective
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World English Dictionary
actinomycete (ˌæktɪnəʊmaɪˈsiːt)
 
n
any bacterium of the group Actinomycetes, usually filamentous in form
 
[C20: from actino- + -mycete]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

actinomycete ac·ti·no·my·cete (āk'tə-nō-mī'sēt', -mī-sēt')
n.

  1. Any of various filamentous or rod-shaped, often pathogenic microorganisms of the genus Actinomyces.

  2. A member of the the family Actinomycetaceae.

  3. A member of the order Actinomycetales.


ac'ti·no·my·ce'tous adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
actinomycete   (āk'tə-nō-mī'sēt')  Pronunciation Key 
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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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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