| area |
An area is a part of space. When we think of an area, we think of some space with a line around it. It might be a real line or an imaginary line. A town is an area. A garden is an area. Rooms are areas in a house. Very often, one area is part of a larger area. [2 definitions] |
| aren't |
Aren't is a short way to write "are not." In questions, aren't can also be used as a short way to say or write "am not." |
| Argentina |
Argentina is a country in South America. Some of its neighbors are Chile and Uruguay. Most of Argentina has a climate that is good for growing crops and raising cattle. The southern part of Argentina is very cold, though. This part of Argentina is not far from Antarctica, and it is home to seals, sea lions, and penguins. |
| argue |
If you argue with someone, you fight with them using words. It might be a silly fight or a serious fight. [2 definitions] |
| argument |
An argument is a kind of fight using words. Sometimes it is just a silly fight, but sometimes it is serious and people get really angry. |
| arithmetic |
When you do arithmetic, you work with numbers to find answers to questions. When you add numbers together to find an answer, you are doing one kind of arithmetic. |
| Arizona |
Arizona is one of the fifty states that make up the United States of America. A short way to write Arizona is AZ. |
| Arkansas |
Arkansas is one of the fifty states that make up the United States of America. A short way to write Arkansas is AR. |
| arm1 |
Your arm is the part of your body between your shoulder and your hand. [2 definitions] |
| armadillo |
An armadillo is a small mammal that lives in Central America, South America, and the southern United States. An armadillo's body has a covering that looks like armor! Armadillos eat mostly insects, and they are related to sloths and anteaters. |
| armchair |
An armchair is a chair that has places to rest your arms. An armchair is often a very comfortable chair. |
| Armenia |
Armenia is a country in Asia. It is a small country with many mountains. Some of its neighbors are Turkey and Georgia. The language of the people of Armenia has an alphabet that is not like any other alphabet. It looks very different from the one we use to write English. This language is called Armenian. |
| armor |
Armor is a suit made out of metal that protects someone when they are fighting in a war. |
| army |
An army is a large group of soldiers who fight on land. |
| around |
When a string is around your finger, the string makes a circle and your finger is inside that circle. [11 definitions] |
| arrange |
When you arrange something, you put it in some kind of order, pattern, or design. [2 definitions] |
| arrival |
When you are waiting for someone's arrival, you are waiting for them to come to where you are. |
| arrive |
When you arrive, you get to the place where you are going. You reach that place. |
| arrow |
An arrow is something that is sent very fast through the air to hit a target. People use arrows for hunting or for sport. It is a thin stick with a point on one end. People shoot arrows using something called a bow. [2 definitions] |
| art |
Art is anything that people make to create beauty or to share ideas and feelings in a different and special way. Painting, poetry, music, and film are some kinds of art. |
| artery |
Arteries are natural tubes inside your body that carry blood from your heart to other parts of your body. Blood in your arteries is red. |