| 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. |
| dissolve |
to mix completely with liquid. |
| employment |
the act of hiring or keeping someone as a paid worker. |
| fiber |
a small, thin part of a plant, animal, or mineral that is shaped like a thread. |
| gene |
a tiny section of a chromosome. A gene causes a particular characteristic, such as eye color or hair color, to be passed on from parent to offspring. |
| heal |
to make whole or healthy again; cure. |
| inject |
to introduce into by force or pressure with a needle. |
| jeopardy |
danger of harm, death, or loss; at risk. |
| lunge |
a sudden movement toward something; thrust, leap, or dive. |
| oath |
a serious promise. |
| regular |
normal or usual. |
| rut |
a hollow track worn into the ground. |
| solemn |
serious in appearance, sound, or mood. |
| support |
to bear. |
| uproot |
to pull up or tear out of the ground by the roots. |