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broad-spectrum
[ brawd-spek-truhm ]
adjective
- noting an antibiotic, insecticide, or other chemical effective against a wide range of organisms.
- noting a sunscreen effective in absorbing or blocking ultraviolet (UVA and UVB) radiation.
- having a wide range of uses:
The questionnaire is a broad-spectrum tool for diagnosing depression and anxiety.
broad-spectrum
noun
- modifier effective against a wide variety of diseases or microorganisms
a broad-spectrum antibiotic
˜yÐÄvlog History and Origins
Origin of broad-spectrum1
Example Sentences
Spending long hours reading research on LAB amid a particularly disheartening breakout, I became fixated on the idea that the key to clearer skin lay in the strategic inclusion of beneficial bacteria through probiotics rather than the indiscriminate eradication of bacteria through broad-spectrum antibiotics.
Look for broad-spectrum sunscreen with an SPF of 30 or higher; it should be worn daily and reapplied every couple of hours.
The widespread use of broad-spectrum antibiotics - they target many bacteria types but can kill good bacteria, cause side-effects and increase antibiotic resistance - fuels drug resistance by encouraging the emergence of drug resistant bacterial mutants.
"Virtually all antibiotics are A-bombs. They are broad-spectrum and we use them in such high doses that they eradicate nearly everything in and around them, notably bacteria that protect us. That's a problem," said Mohammad Seyedsayamdost, professor of chemistry.
One traditional method of determining antibiotic efficacy against it is by looking for signs of Burkholderia growth with the unaided eye or through a simple assay, and then treating it with a broad-spectrum antibiotic that kills everything in its path: antibiotic as blunt instrument.
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