gram-positive
adjective
gram-pos·i·tive
ˈgram-ˈpä-zə-tiv 
-ˈpäz-tiv
: holding the purple dye when stained by Gram's stain
—used chiefly of bacteria
Examples of gram-positive in a Sentence
Recent Examples on the Web
Additionally, fish liver oil has proved to be an effective antibacterial agent against gram-positive bacteria.11 There may be emerging uses for cod liver oil extract in antibacterial topical ointments.
—
Hannah Coakley, Msph, Rdn, Verywell Health, 31 July 2024
Bacteria populations in the average human gut are roughly split between gram-negative and gram-positive types, said Kristen Munoz, a former doctoral student at the University of Illinois who co-led the study.
—Tribune News Service, The Mercury News, 20 June 2024
Penicillin is available by prescription and can treat gram-positive bacteria that cause illnesses such as strep throat, tetanus, and tonsillitis.
—Jenny Sweigard, Verywell Health, 16 Nov. 2023
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Hannah Coakley, Msph, Rdn, Verywell Health, 31 July 2024
Bacteria populations in the average human gut are roughly split between gram-negative and gram-positive types, said Kristen Munoz, a former doctoral student at the University of Illinois who co-led the study.
—Tribune News Service, The Mercury News, 20 June 2024
Penicillin is available by prescription and can treat gram-positive bacteria that cause illnesses such as strep throat, tetanus, and tonsillitis.
—Jenny Sweigard, Verywell Health, 16 Nov. 2023
Dictionary Entries Near gram-positive
Cite this Entry
“Gram-positive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gram-positive. Accessed 22 Dec. 2024.
Copy CitationMedical Definition
gram-positive
adjective
gram-pos·i·tive
ˈgram-ˈpäz-ət-iv, -ˈpäz-tiv
: holding the purple dye when stained by Gram's stain
—used chiefly of bacteria
Love words? Need even more definitions?
Merriam-Webster unabridged
Share