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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.

"Importantly, however, this approach is not limited to the blood-brain barrier but enables time-resolved tracking of diverse compounds and molecular targets across engineered tissue models, providing a powerful tool for biological engineering," Spitz adds.

From Science Daily • Apr. 28, 2026

Scientists often need to observe how drugs move through the blood vessels in this barrier and whether they successfully reach brain tissue.

From Science Daily • Apr. 28, 2026

Dean Guzman of Moorpark has trained for years to surpass the barrier every high jumper dreams of breaking — 7 feet.

From Los Angeles Times • Apr. 27, 2026

For many aspiring nurses the real barrier is how to finance the transition.

From The Wall Street Journal • Apr. 23, 2026

The second woman to break the sound barrier was one of Cochran's WASPs, Jean Hixson, who flew a Delta Dagger military jet in 1958, which was against regulations.

From "Women in Space" by Karen Bush Gibson




Vocabulary lists containing barrier