| blink |
When you blink, your eyes close and then open again very quickly. When we blink, it happens so fast that we usually don't notice it. Blinking is important, though, because it keeps our eyes from getting dry. [2 definitions] |
| block |
A piece of wood that has flat sides is called a block. Young children usually love to play with small blocks. Other things of a similar shape are also called blocks. There are blocks of ice, blocks of stone, and blocks of concrete. [3 definitions] |
| blog |
A blog is something that people write and let other people read on a website. When people have a blog, they write things every day or very often. They write about something they have done, or that they like, or something that they just think is interesting. |
| blood |
Blood is the red liquid that goes through your body. When you eat food, the things that your body needs from the food go into your blood. The blood brings these things to all the parts of your body. This is one reason why blood is so important. |
| bloom |
When flowers begin to appear on a plant, we say the plant is blooming. |
| blossom |
The blossom is a part of a plant. It is the flower of a plant. Some plants have blossoms, but many plants do not. The blossom is the part of a flowering plant that makes the seed or fruit of the plant. |
| blouse |
A blouse is a piece of clothing that is worn above the waist. Blouses are usually worn by girls and women. A blouse is like a shirt, but a blouse often has more decoration, and it's usually made of softer and fancier material. |
| blow1 |
A blow is a hard hit. Fighters give each other blows. |
| blow2 |
When we say that the wind is blowing, it means that the air outside is moving quickly. [5 definitions] |
| blue |
Blue is the color of the sky on a sunny day when there are no clouds. [2 definitions] |
| blueberry |
A blueberry is a small round berry that grows on a special kind of bush. Blueberries are blue in color and people can eat them. When they are ripe, they are very sweet. |
| board |
A board is a flat piece of wood that someone has cut. Boards are used for making and building things. [4 definitions] |
| boast |
When you talk about yourself or something you have and you show that you are very proud, you are boasting. Sometimes when you boast, people think that you believe you are better than other people or that you have better things. |
| boat |
A boat is something you use to travel on water. It is usually smaller than what we call a ship. |
| bobcat |
A bobcat is a kind of wild cat. It has spots on its fur and it has a short tail. A bobcat is small compared with other wild cats like lions and tigers, but it is about twice as big as a pet cat. Bobcats live in parts of Canada, the United States, and Mexico. |
| body |
A body is all the parts that make up a person or animal. [3 definitions] |
| boil1 |
When you boil water or other liquid, you make it hotter and hotter until there are bubbles in it. |
| Bolivia |
Bolivia is a country in South America. Bolivia has high mountains and also land that is very flat and very low. Bolivia shares a very large and beautiful lake with its neighbor, Peru. It is called Lake Titicaca. It is high in the Andes mountains. |
| bologna |
Bologna is a kind of food made of meat, spices, and salt. People often eat round slices of bologna in a sandwich. Bologna is really a big, fat sausage, but when we see it in a store, it is usually already cut into slices. |
| bolt1 |
A bolt is something used to hold things together strongly. It is a metal screw that is flat on the bottom. A bolt is held in its place by something called a "nut" that goes around it. |
| bone |
Your bones are the hard things inside your body that your muscles are attached to. The longest bones in your body are inside your legs and your arms. All your bones together are called your skeleton. |