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4000 Essential English Words 5 Unit 7: Small World

4000 Essential English Words 5 Unit 7: Small World

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Word List

  • aquatic [əˈkwætik] adj. 

If a plant or animal is aquatic, it lives or grows in water.

 The dolphin is an aquatic mammal.

  • biosphere [ˈbaiəsfiər] adj. 

The biosphere is the earth’s surface and atmosphere where there are living things.

 Birds, trees, and worms all thrive in the biosphere.

  • bizarre [biˈzaːr] adj. 

When something is bizarre, it is very strange.

 My bizarre dreams make no sense to me when I am awake.

  • Celsius [ˈselsiəs] n. 

Celsius is a scale for measuring temperature.

 Water freezes at zero degrees Celsius.

  • coarse [kɔːrs] adj. 

If something is coarse, that means it has a rough texture.

 The coarse sweater made my skin itch.

  • companion [kəmˈpænjən] n. 

companion is a person that someone spends a lot of time with.

 I always walk to school with my companion Frank.

  • digest [diˈdʒest] v. 

To digest means to swallow food and pass it through the body.

 Allow some time for food to be digested before going swimming.

  • duration [djuəˈreiʃən] n. 

The duration of an event is the time during which it happens.

 The girls watched television for the duration of the evening.

  • ecology [i:kɒlədʒi] n. 

Ecology is the study of the environment and living things.

 We study ecology to learn how to help improve the Earth.

  • feat [fiːt] n. 

feat is an impressive or difficult achievement or action.

 The elephant’s standing up on one leg was a feat.

  • infinite [ˈinfənit] adj. 

If something is infinite, it has no limit or end.

 Many scientists believe that the universe is infinite.

  • nucleus [ˈnjuːkliəs] n. 

The nucleus is the central part of an atom or cell.

 The nucleus is made up of many tiny particles.

  • parasite [ˈpӕrəsait] n. 

parasite is a tiny animal or plant that attaches to another animal to get food.

 The sick dog was covered in parasites.

  • prominent [ˈprɒmənənt] adj. 

When something is prominent, it is important and well-known.

 Queen Victoria was a prominent person in history.

  • repetitive [riˈpetətiv] adj. 

When something is repetitive, it is repeated many times and becomes boring.

 Working on an assembly line making cars every day is a repetitive job.

  • reproductive [riːprəˈdʌktiv] adj. 

If something is reproductive, it has to do with a living thing producing young.

 The reproductive system of a plant is simple.

  • temperate [ˈtempərit] adj. 

When a place is temperate, it never gets too hot or cold.

 In Peru, the weather is temperate and rarely gets too hot or cold.

  • tolerance [ˈtɒlərəns] n. 

Tolerance is the ability to accept something painful or unpleasant.

 Boxers have a high tolerance for pain.

  • undergo [ˈʌndərˈgou] v. 

To undergo an action means to have it happen to you.

 The cancer patient undergoes treatments twice a week. 

  • vulnerable [ˈvʌlnərəbəl] adj. 

When someone is vulnerable, they are weak and without protection.

 He felt very vulnerable when he was stranded in the desert.

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