| addition |
the process of finding the total of two or more numbers. |
| chill |
a mild but uncomfortable coldness. |
| clean |
not dirty. |
| diagram |
a drawing or plan that shows the parts of something or how the parts work together. |
| envelope |
a folded paper covering for a letter or other papers you mail. You write the address and put a stamp on an envelope before you mail it. |
| happiness |
the feeling of having joy or being glad. |
| joke |
a short story with a funny ending that is told to make people laugh. |
| middle |
halfway between two things, places, or points. |
| pilot |
a person who flies an airplane or other aircraft. |
| pot |
a deep, round container made of metal, clay, glass, or other material. Pots are used for cooking and other purposes. |
| price |
the amount of money needed to buy something. |
| rain |
drops of water that form in the clouds and fall from the sky to the earth. |
| rate |
the speed or pace at which something is done. |
| sofa |
a comfortable seat with a back and arms made for two or more people; couch. |
| underground |
located, living, or taking place beneath the earth's surface. |