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Merriam-Webster's Learner's Dictionary. Merriam-Webster's Learner's Dictionary.
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gum noun [ˈgʌm]
  • the flesh that surrounds the roots of your teeth—usually plural
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nuclear adjective [ˈnuːklijɚ]
  • of, relating to, producing, or using energy that is created when the nuclei of atoms are split apart or joined together
  • having or involving nuclear weapons
  • of or relating to the nucleus of an atom
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capsule noun [ˈkæpsəl]
  • a very small container that is filled with medicine and swallowed whole
  • a small glass or plastic container that has something (such as a liquid) inside of it
  • a small part of a spacecraft that is separate from the rest of the spacecraft and that is where people live and work
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reward noun [rɪˈwoɚd]
  • money or another kind of payment that is given or received for something that has been done or that is offered for something that might be done —often + for
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automobile noun [ˌɑːtəmoʊˈbiːl]
  • a vehicle used for carrying passengers on streets and roads : car —often used before another noun
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gravity noun [ˈgrævəti]
  • a very serious quality or condition : the condition of being grave or serious
  • the natural force that tends to cause physical things to move towards each other : the force that causes things to fall towards the Earth
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steam noun [ˈstiːm]
  • the hot gas that is created when water is boiled
  • steam that is created by a machine and kept under pressure to provide power —often used before another noun
  • very small drops of water that form on a surface when warm air that contains a lot of water is cooled down
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shelter noun [ˈʃɛltɚ]
  • a structure that covers or protects people or things
  • a place that provides food and protection for people or animals that need assistance
  • a place to live
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construct verb [kənˈstrʌkt]
  • to build or make (something physical, such as a road, bridge, or building)
  • to make or create (something, such as a story or theory) by organizing ideas, words, etc.
  • to draw (a shape) according to a set of instructions or rules
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lecture noun [ˈlɛktʃɚ]
  • a talk or speech given to a group of people to teach them about a particular subject
  • a talk that criticizes someone's behavior in an angry or serious way
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professor noun [prəˈfɛsɚ]
  • a teacher especially of the highest rank at a college or university
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birch noun [ˈbɚtʃ]
  • a type of tree that has outer bark which can be pulled off easily —called also birch tree
  • the hard, pale wood of the birch
  • the punishment of being hit with a birch stick
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bandage noun [ˈbændɪʤ]
  • a covering (such as a strip of cloth) that protects or supports part of the body that has been hurt
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soccer noun [ˈsɑːkɚ]
  • a game played between two teams of 11 players in which a round ball is moved toward a goal usually by kicking —often used before another noun —called also (British) football
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sticker noun [ˈstɪkɚ]
  • a piece of paper with a picture or writing on it and a sticky substance on its back that is used to attach it to a surface
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click verb [ˈklɪk]
  • to cause (something) to make a short, sharp sound
  • to make a short, sharp sound : to make a click
  • to press a button on a mouse or some other device in order to make something happen on a computer —often + on
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Canadian noun [kəˈneɪdijən]
  • a person born, raised, or living in Canada