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significant


important; meaningful

Alexander Graham Bell’s invention of the telephone in the 1870s is one of the most significant inventions ever.

significant

barrier


something that keeps things or people apart or prevents communication

Dwight put up a fence to create a barrier between his backyard and his neighbor’s yard.

barrier

extracted


removed or pulled out

The construction worker extracted rocks from the ground with heavy machinery.

extracted

dispose


to get rid of; throw away

After lunch, the students  always dispose of their trash in the cafeteria’s garbage cans.

dispose

settlement


a place where people set up a new community

After arriving in America in 1620, the Pilgrims built a settlement called the Plymouth Colony in what is now Massachusetts.

settlement
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