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streptococcus

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strep⋅to⋅coc⋅cus

[strep-tuh-kok-uhs]
–noun, plural -coc⋅ci [-kok-sahy, -see] . Bacteriology.
any of several spherical or oval bacteria of the genus Streptococcus, occurring in pairs or chains, certain species of which are pathogenic for humans, causing scarlet fever, tonsillitis, etc.

Origin:
1875–80; < NL; see strepto-, coccus


strep⋅to⋅coc⋅cal [strep-tuh-kok-uhl] , strep⋅to⋅coc⋅cic [strep-tuh-kok-sik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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strep·to·coc·cus   (strěp'tə-kŏk'əs)   
n.   pl. strep·to·coc·ci (-kŏk'sī, -kŏk'ī)
A round to ovoid, gram-positive, often pathogenic bacterium of the genus Streptococcus that occurs in pairs or chains, many species of which destroy red blood cells and cause various diseases in humans, including erysipelas, scarlet fever, and strep throat.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

streptococcus [(strep-tuh-kok-uhs)]

A category of bacteria that can cause various infections in humans, including scarlet fever and strep throat.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

streptococcus 
bacteria genus, 1877, Mod.L., coined by Viennese surgeon Albert Theodor Billroth (1829-94) from Gk. streptos "twisted" + Mod.L. coccus "spherical bacterium," from Gk. kokkos "berry." So called because the bacteria usually form chains.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: strep·to·coc·cus
Pronunciation: -'käk-&s
Function: noun
1 capitalized : a genus of spherical orovoid chiefly nonmotile and parasitic gram-positive bacteria (family Streptococcaceae) that divide only in one plane, occur in pairs or chains, and include important pathogens of humans and domesticanimals
2 plural strep·to·coc·ci /-'käk-"(s)I/ : any bacterium of the genus Streptococcus; broadly : acoccus occurring in chains
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

streptococcus strep·to·coc·cus (strěp'tə-kŏk'əs)
n. pl. strep·to·coc·ci (-kŏk'sī, -kŏk'ī)
A bacterium of the genus Streptococcus.


strep'to·coc'cal or strep'to·coc'cic adj.

Streptococcus n.
A genus of gram-positive, anaerobic, often pathogenic bacteria having an ovoid or spherical appearance and occurring in pairs or chains, including many erythrocytolytic and pathogenic species that cause erysipelas, scarlet fever, and septic sore throat in humans.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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