| battery |
a device that makes electricity by using chemical reactions. Batteries are used to power many things, including cars, flashlights, toys, and watches. |
| chamber |
a room. |
| chunk |
a thick lump or piece of any material. |
| completely |
entirely; absolutely. |
| congratulate |
to praise and express pleasure at the achievement or good luck of. |
| database |
a large collection of information in a computer. In a database, information is arranged so that it can be quickly changed or searched through. |
| debt |
something owed to another person. |
| discovery |
the act of finding or seeing something before anyone else. |
| era |
a period of time in history. An era often begins or ends with an important event. |
| gimmick |
a clever device or idea whose only purpose is to get a customer's attention. |
| improvement |
a change that makes something better than it was. |
| meantime |
the time that is in between. |
| stunt1 |
to stop or slow the growth of. |
| territory |
the land and waters that belong to a country. |
| totter |
to sway or rock as if about to fall. |