| accordion |
An accordion is an instrument for playing music. You hold an accordion in your arms to play it. It has black and white keys like a piano, but sound is made when air is forced through it. |
| air |
When you air a room, you open doors and windows so that air can move through it. You air a room to take away smoke, dust, or things that smell bad. When you air something like a pillow or rug, you put it outside so that it will smell cleaner. [1/4 definitions] |
| bead |
a small, round object made of material such as glass, wood, or plastic. A bead has a small hole through its center so it can be put on a string to make necklaces or to decorate clothing. [1/3 definitions] |
| blow2 |
When a whistle blows, air goes through it and causes it to make a sound. [3/7 definitions] |
| brush1 |
When you brush something, you put a brush through it, or you clean it with a brush. [1/4 definitions] |
| circuit breaker |
a switch or other device that automatically breaks an electric circuit when too much electricity flows through it. |
| clarinet |
A clarinet is an instrument for playing music. A clarinet is usually black and has the shape of a long tube. The tube has holes in it and keys that you can press to cover the holes and change the sound. To make a sound, you put your mouth at one end of the clarinet and blow air through it. |
| clear |
When something is clear, you can see through it. Windows are usually made of clear glass. [1/7 definitions] |
| clog |
When something clogs another thing, it blocks it. It stops things from going through it. Hair sometimes clogs a sink, for example. |
| close |
When you close something that is open, it is not open anymore. When a window is open, air can go through it. But if you close the window, air can't go through anymore. [1/9 definitions] |
| cloudy |
When something is cloudy, it is not clear. You cannot see through it. [1/2 definitions] |
| conduct |
When a wire conducts electricity, it lets electricity go through it. [1/5 definitions] |
| crash1 |
When something that is moving hits something else really hard, we say it crashes into it or through it. [1/7 definitions] |
| cross |
When a bridge crosses a river, it goes from one side of the river to the other. When a street crosses another street, it cuts through it. [1/7 definitions] |
| cross out |
to remove something by drawing a line through it. |
| cross section |
a part of something made visible by cutting straight through it. [1/2 definitions] |
| cut |
When you cut something, you open it or break through it with a sharp tool. We use a knife to cut food, and we use scissors to cut paper. [2/5 definitions] |
| experience |
When you experience something, you go through it, or you face it or feel it. When you experience pain, you feel pain. If you experience life in another country, you live there for a while and get to know and feel what it is like. [1/4 definitions] |
| explore |
When you explore a place, you travel across it or go through it so that you can learn about it. [1/2 definitions] |
| filament |
a fine wire that lights or heats up when electric current is passed through it. [1/2 definitions] |
| filter |
A filter is something that is used to catch or remove bits of dirt or other solid material that are in a liquid or gas. A filter is a like a trap that catches the solid bits as the liquid or air goes through it. An air filter cleans the air. A water filter cleans water. [1/2 definitions] |