| approve |
to consider good or right. |
| assign |
to set apart or give out for a particular use. |
| barren |
not able to produce or support growth. |
| content1 |
(usually plural) whatever is held or contained in something. |
| copper |
a reddish brown metal that is one of the chemical elements. Copper is used to make pipes, because it does not easily rust. It is used to make wires, because it is an excellent conductor of electricity. It can be combined with other metals to make alloys such as brass and bronze. |
| democratic |
relating to or demonstrating the belief that all people should be treated equally. |
| economist |
a person who is an expert in the study of economics. |
| elastic |
able to stretch easily without breaking and then return to original form. |
| explain |
to make clear in speech or writing; show in detail. |
| propeller |
a device used to make an airplane or ship move forward. A propeller is made of tilted blades that are attached to and spin around a hub. |
| raid |
to make a sudden attack on or entry into (a place) in order to conquer, seize property, or make an arrest. |
| romp |
to move about or play in a lively manner. |
| rummage |
to make a thorough search by turning over and looking through the contents of. |
| sensation |
a condition of being aware of something or feeling something by means of one of the senses. |
| till1 |
until. |