streptomycin
noun
strep·to·my·cin
ˌstrep-tə-ˈmī-sᵊn 
: an antibiotic organic base C21H39N7O12 that is produced by a soil actinomycete (Streptomyces griseus), is active against many bacteria, and is used especially in the treatment of infections (such as tuberculosis) by gram-negative bacteria
Examples of streptomycin in a Sentence
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And streptomycin, developed in 1943, stopped TB cold in most patients.
—
Patt Morrison, Los Angeles Times, 30 Aug. 2022
Life-threatening infection led to the removal of a kidney and his treatment with what was then an experimental antibiotic, streptomycin, initially used to treat tuberculosis.
—Washington Post, 5 Dec. 2021
Laboratory testing found that 20 of these cases were resistant to common antibiotics such as chloramphenicol, streptomycin, sulfamethoxazole and tetracycline.
—Sandee Lamotte, CNN, 25 Aug. 2021
Most of our antibiotic medicines were discovered in such bacteria; streptomycin, for example, unsurprisingly hails from Streptomyces.
—Jennifer Frazer, Scientific American, 21 Nov. 2020
See All Example Sentences for streptomycin
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Patt Morrison, Los Angeles Times, 30 Aug. 2022
Life-threatening infection led to the removal of a kidney and his treatment with what was then an experimental antibiotic, streptomycin, initially used to treat tuberculosis.
—Washington Post, 5 Dec. 2021
Laboratory testing found that 20 of these cases were resistant to common antibiotics such as chloramphenicol, streptomycin, sulfamethoxazole and tetracycline.
—Sandee Lamotte, CNN, 25 Aug. 2021
Most of our antibiotic medicines were discovered in such bacteria; streptomycin, for example, unsurprisingly hails from Streptomyces.
—Jennifer Frazer, Scientific American, 21 Nov. 2020
See All Example Sentences for streptomycin
Cite this Entry
“Streptomycin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/streptomycin. Accessed 4 Nov. 2025.
Copy CitationKids Definition
streptomycin
noun
strep·to·my·cin
ˌstrep-tə-ˈmīs-ᵊn
: an antibiotic produced by a soil streptomyces and used especially in the treatment of some infections (as tuberculosis) caused by bacteria
Medical Definition
streptomycin
noun
strep·to·my·cin
-ˈmīs-ᵊn
: an antibiotic organic base C21H39N7O12 that is produced by a soil actinomycete of the genus Streptomyces (S. griseus), is active against bacteria, and is used especially in the treatment of infections (as tuberculosis) by gram-negative bacteria
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