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| bar·ri·er [ bárree ər ] (plural bar·ri·ers) |
noun |
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| Definition: |
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1. structure blocking access: a structure such as a fence that is intended to prevent access or keep one place separate from another
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2. something that obstructs: something that obstructs or separates, often by emphasizing differences
  Impatience can act as a barrier to learning.
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3. limit or standard: something considered to be a limit, standard, or boundary
sprinters who break the 10-second barrier
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4. geography ice shelf: the part of the Antarctic ice shelf that extends over the sea and partly rests on the ocean floor
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| [14th century. < Old French barriere< Vulgar Latin barra "bar"] |
