| diameter
| noun
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| the width of a circle, measured by a straight line.
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| diary
| noun
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| a book in which you write down your thoughts and daily events
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| dice
| noun
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| cubes with a different number of dots, from one to six, on each side.
| Dice are used in indoor games. A single cube is called a die.
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| dictionary
| noun
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| a book that contains an alphabetical list of words with their meanings.
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| die
| verb
| v1
| to stop living.
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| diet
| noun
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| the food that you usually eat.
| Fruit and vegetables are part of a healthy diet.
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| different
| adjective
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| not like something else.
| Two different shells.
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| difficult
| adjective
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| hard to do.
| It was difficult to cut the string with blunt scissors.
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| dig
| verb
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| to make a hole in the ground.
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| digest
| verb
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| to break food down so that the body can use it.
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| digit
| noun
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| a number from zero to nine, shown as a figure rather than written in words.
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| digital
| adjective
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| showing number information in figures.
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| dilute
| verb
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| to make thinner or weaker, often by adding water.
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| dim
| adjective
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| not bright.
| A dim lightbulb.
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| dinghy
| noun
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| a small, open sailing boat
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| dingo
| noun
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| a wild dog that lives in Australia.
| Dingoes hunt alone or in small packs and eat birds, reptiles, and small animals.
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| dinner
| noun
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| the main meal of the day.
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| dinosaur
| noun
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| one of a group of land reptiles that lived on Earth, at different times, for more than 150 million years. The last dinosaurs died out 65 million years ago.
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| dip
| verb
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| to put something into a liquid or a soft substance and then take it out again immediately.
| Fruit dipped in chocolate.
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| direct
| verb
| v1
| to show or tell someone how to get to a particular place.
| He directed the tourist to the castle.
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| direct
| adjective
| v1
| going the shortest way.
| A direct route.
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| directory
| noun
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| a book that contains information about people and organizations, usually listed in alphabetical order.
| A telephone directory.
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| dirty
| adjective
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| not clean.
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| disabled
| adjective
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| not having a limb, or being without power or strength, especially of movement, in part of your body because of injury or disease.
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| disagree
| verb
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| to think differently from someone about something
| We always disagree.
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| disappear
| verb
| v1
| to go out of sight.
| The rabbit disappeared into its burrow.
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| disappoint
| verb
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| to make someone sad by not doing something they expected.
| I disappointed my friends by not going to the game with them.
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| disaster
| noun
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| a terrible event that may cause damage and suffering.
| Floods are natural disasters.
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| disc
| noun
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| an object for recording sound.
| A compact disc.
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| discover
| verb
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| to find or find out.
| The pirates discovered a chest of buried treasure on the island.
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