impurity

See definition of impurity on Dictionary.com

How to use impurity in a sentence

Limestone also had to be acquired to reduce impurities during the process.

FACES OF THE DEAD EMERGE FROM LOST AFRICAN AMERICAN GRAVEYARDMICHAEL RUANEJULY 9, 2021WASHINGTON POST

A five-step water filtration system removes impurities and contaminants from the water, leaving clean water for the picky feline.

BEST PET WATER FOUNTAINS: NEVER REFILL A BOWL AGAINFLORIE KORANIJULY 7, 2021POPULAR-SCIENCE

Cheap supplements sold on the Internet are more likely to have issues with unlabeled ingredients or impurities than ones sold in stores such as Costco or Whole Foods, which have a process for vetting supplement products, Israelsen says.

PROHIBITED, UNLISTED, EVEN DANGEROUS INGREDIENTS TURN UP IN DIETARY SUPPLEMENTSCHRISTIE ASCHWANDENJUNE 30, 2021WASHINGTON POST

In addition, there are impurities called “quenchers” that can stop an activator from working, even if all other conditions are right.

HOW MINERALS AND ROCKS REFLECT RAINBOWS, GLOW IN THE DARK, AND OTHERWISE BLOW YOUR MINDLAUREN LEFFERJUNE 28, 2021POPULAR-SCIENCE

That means the process can run on clean renewable energy sources and would produce a stream of carbon dioxide free from fossil-fuel impurities.

A STARTUP USING MINERALS TO DRAW DOWN CO2 HAS SCORED FUNDING—AND ITS FIRST BUYERJAMES TEMPLEMAY 26, 2021MIT TECHNOLOGY REVIEW

As a result, recycled plastic comes with lots of impurities.

NEW RECYCLING TECHNOLOGIES COULD KEEP MORE PLASTIC OUT OF LANDFILLSMARIA TEMMINGAPRIL 29, 2021SCIENCE NEWS FOR STUDENTS

Similarly, the relative purity of a vacuum could help computer chip production by avoiding impurities in semiconductors.

NEED A NEW HEART? GET IT FROM SPACECHARU KASTURIAPRIL 27, 2021OZY

This means opening the pores of the skin and flushing out the impurities in the body through the process of sweating.

COULD A TENT SAUNA CURE YOUR COLD-WEATHER BLUES?SETH PUTNAMMARCH 26, 2021OUTSIDE ONLINE

It’s one thing to think up a possible quasiparticle, and another to observe it in an experiment where temperatures are close to absolute zero, samples are constructed atom by atom, and tiny impurities can derail everything.

THE NEAR-MAGICAL MYSTERY OF QUASIPARTICLESTHOMAS LEWTONMARCH 24, 2021QUANTA MAGAZINE

Iodine tends to react with impurities in salt, causing it to evaporate, so iodized salt becomes less effective over time.

ONE MAN’S CRUSADE TO END A GLOBAL SCOURGE WITH BETTER SALTKATIE MCLEANDECEMBER 18, 2020MIT TECHNOLOGY REVIEW

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