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Definitions

barrier

[bar-ee-er] / ˈbær i ər /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The companies have preclinical programs to link other Alzheimer’s drugs with the blood-brain barrier platform that BioArctic calls BrainTransporter.

From Barron's • Jun. 3, 2026

Back in 2010, a report published by Autism NI with Ulster University highlighted that the IQ threshold of 70 remained "a barrier to services for many families".

From BBC • Jun. 3, 2026

Goodrich called it “the clearest statement yet from inside Huawei that they have accepted they can’t break through the EUV barrier on any meaningful near-term horizon.”

From The Wall Street Journal • Jun. 2, 2026

They found that adding the amino acid methionine to the animals' diet protected them from wasting, blood-brain barrier problems, and death linked to inflammation.

From Science Daily • Jun. 1, 2026

She not only got to fly the jet—she broke the sound barrier in it.

From "Women in Space" by Karen Bush Gibson




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