antibiotic
noun
an路ti路bi路ot路ic
| \ 藢an-t膿-b墨-藞盲-tik
, -藢t墨-; -b膿-藞盲-
\
, -藢t墨-; -b膿-藞盲-
\
Definition of antibiotic
(Entry 1 of 2)
: a substance produced by or a semisynthetic (see semisynthetic sense 1) substance derived from a microorganism and able in dilute solution to inhibit or kill another microorganism
The doctor prescribed an antibiotic to treat the infection.
antibiotic
adjectiveDefinition of antibiotic (Entry 2 of 2)
1
: tending to prevent, inhibit, or destroy life
2
: of or relating to antibiotics or to antibiosis
antibiotic drugs
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Other Words from antibiotic
Adjective
antibiotically
\ 藢an-t膿-b墨-藞盲-ti-k(蓹-)l膿
, -藢t墨- ; -b膿-藞盲- \
adverb
, -藢t墨- ; -b膿-藞盲- \
adverb
Examples of antibiotic in a Sentence
Recent Examples on the Web: Noun
Weeks of colds and shortness of breath have left him on antibiotics. — Washington Post, "As Amazon burns, breathing problems spike," 28 Aug. 2019 In the earlier stages, antibiotics are used to treat the infection. — Christina Oehler, Health.com, "Can You Get Flesh Eating Bacteria From a Pool?," 27 Aug. 2019 Macrolides are a class of antibiotics that includes azithromycin. — Beth Mole, Ars Technica, "Deadly superbug outbreak in humans linked to antibiotic spike in cows," 23 Aug. 2019 Collins hopes that the gels could be used to make smart therapeutics that release, for example, cancer drugs in the presence of a tumour, or antibiotics around an infection. — Ewen Callaway, Scientific American, "Gene Editing Transforms Gel into Shape-Shifting Smart Material," 23 Aug. 2019 After infected trees are removed, nearby palms need preventive antibiotic injections to halt the spread. — Terry Spencer, chicagotribune.com, "A lethal disease spread by a tiny, tree-hopping insect is threatening Florida鈥檚 iconic palm trees," 19 Aug. 2019 After infected trees are removed, nearby palms need preventive antibiotic injections to halt the spread. — Terry Spencer, orlandosentinel.com, "Florida鈥檚 iconic palm trees threatened by invasive disease," 19 Aug. 2019 After infected trees are removed, nearby palms need preventive antibiotic injections to halt the spread. — Terry Spencer, sun-sentinel.com, "Florida鈥檚 iconic palms threatened by invasive disease," 19 Aug. 2019 Weeds have developed resistance to glyphosate, and some research connects glyphosate to a rise in antibiotic resistance in bacterial populations as well. — Zo毛 Schlanger, Quartz, "Syngenta just funded a study on the best way to spray glyphosate," 16 Aug. 2019Recent Examples on the Web: Adjective
Today, most people survive plague with rapid diagnosis and antibiotic treatment. — Jenny Howard, National Geographic, "Plague, explained," 20 Aug. 2019 Diagnostic tests and antibiotic treatments are available, but national treatment programs have had little effect in fighting the global chlamydia epidemic, according to press release from The Lancet. — Jack Guy, CNN, "A chlamydia vaccine has been successfully tested in an early trial," 13 Aug. 2019 Its symptoms include fever and chills that don鈥檛 respond to regular antibiotic treatment. — Sanya Mansoor, Time, "Deadly Fungal Infection Emerged Because of Global Warming, Study Says," 24 July 2019 Kylei has returned home, but is still receiving antibiotic treatments and still has her leg wrapped, according to Fox59. — Richard Tribou, orlandosentinel.com, "Girl, 12, contracts deadly flesh-eating disease after trip to Florida: report," 26 June 2019 Cattle live longer than chickens, increasing their chances of getting sick and needing antibiotic treatment. — Julie Jargon, WSJ, "McDonald鈥檚 to Trim Antibiotics From Its Beef," 11 Dec. 2018 Lipkin notes that some antibiotic resistance exists naturally. — Karen Weintraub, Scientific American, "Mind the Staph: London Is Crawling with Antibiotic-Resistant Microbes," 1 Aug. 2019 Overusing antibiotics in animals can lead to antibiotic-resistant bacteria that pose risks to human life, according to the World Health Organization. — Danielle Wiener-bronner, CNN, "Taco Bell commits to reducing antibiotics in its beef," 29 July 2019 While there isn鈥檛 a definitive treatment regimen for this condition, the antibiotic doxycycline has been shown to help patients who have it, the CDC says. — Patia Braithwaite, SELF, "8 Tick-Borne Illnesses That Aren鈥檛 Lyme Disease," 26 July 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antibiotic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for antibiotic
antibiotic
noun
English Language Learners Definition of antibiotic
medical
: a drug that is used to kill harmful bacteria and to cure infections
See the full definition for antibiotic in the English Language Learners Dictionary
antibiotic
noun
an路ti路bi路ot路ic
| \ 藢an-ti-b墨-藞盲-tik
\
\
Kids Definition of antibiotic
: a substance produced by living things and especially by bacteria and fungi that is used to kill or prevent the growth of harmful germs
antibiotic
adjective
an路ti路bi路ot路ic
| \ -b墨-藞盲t-ik; -b膿-
\
\
Medical Definition of antibiotic
(Entry 1 of 2)
1
: tending to prevent, inhibit, or destroy life
2
: of or relating to antibiotics or to antibiosis
Other Words from antibiotic
antibiotically
\ -i-k(蓹-)l膿
\
adverb
\
adverb
antibiotic
nounMedical Definition of antibiotic (Entry 2 of 2)