streptococcus [ strep-t uh- kok- uh s ] SHOW IPA / ˌstrɛp təˈkɒk əs / PHONETIC RESPELLING EXAMPLES | WORD ORIGIN noun, plural strep·to·coc·ci . [strep-t uh- kok-sahy, -see] /ˌstrɛp təˈkɒk saɪ, -si/ . 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. Nearby words strepto-
streptococcus erythrogenic toxin
streptococcus viridans Origin of streptococcus
dating back to
see origin at
coccus Related forms strep·to·coc·cal , [strep-t uh- kok- uh l] /ˌstrɛp təˈkɒk əl/ strep·to·coc·cic , [strep-t uh- kok-sik] /ˌstrɛp təˈkɒk sɪk/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for streptococcus
This may be a wound or a purulent blister, and the
streptococcus pyogenes is the organism most frequently present.
One blood culture revealed the presence of
streptococcus in addition to Bacillus pestis.
The most common cause of contagious mammitis in cattle is a spherical bacterium in chain form (
Streptococcus) (Moore, Ward).
streptococcus colonies and subcultivate upon nutrient agar exactly as directed in steps 14, 15 and 16. British Dictionary definitions for streptococcus noun plural -cocci ( -ˈkɒkaɪ, US -ˈkɒksaɪ) any Gram-positive spherical bacterium of the genus Streptococcus, typically occurring in chains and including many pathogenic species, such as S. pyogenes, which causes scarlet fever, sore throat, etc: family Lactobacillaceae Often shortened to: strep Derived Forms streptococcal ( ˌstrɛptəʊˈkɒk) əl or rare streptococcic ( ˌstrɛptəʊˈkɒkɪk, US -ˈkɒksɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medicine definitions for streptococcus (1 of 2) n. pl. strep•to•coc•ci ( -kŏk) ′sī, -kŏk ′ī A bacterium of the genus Streptococcus. Related forms strep′to•coc null ′cal adj. Medicine definitions for streptococcus (2 of 2) 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.
Science definitions for streptococcus Plural streptococci ( strĕp′tə-kŏk) ′sī, -kŏk ′ī Any of various bacteria of the genus Streptococcus that are gram-positive cocci and are normally found on the skin and mucous membranes and in the digestive tract of mammals. One type of streptococcus, Group A, is a common pathogen in humans and causes various infections, including strep throat, scarlet fever, pneumonia, and some types of impetigo.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for streptococcus
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.