| autonomous |
free and independent, as a state or an organism; self-governing. |
| biological |
having to do with living things and their life processes. |
| brood |
to think or worry a lot about a single subject (usually followed by "on" or "over"). |
| channel |
a long, narrow body of water that joins two larger bodies of water. |
| char1 |
to cook or burn so that the surface is blackened; scorch. |
| delinquent |
neglectful of a duty or guilty of an offense or violation of the law. |
| eclipse |
the blocking from view of the sun, a moon, or a planet by another heavenly body. In an eclipse of the sun, the sun is hidden from earth's view by the moon passing between the sun and the earth. |
| exasperate |
to bother or annoy to the point of causing anger. |
| genetics |
(used with a singular verb) the science that studies how characteristics are passed on from parent to offspring. Genetics is concerned with the influence of genes on the appearance, development, and evolution of plants and animals. |
| investor |
a person or company that puts money into use for the purpose of making more money. |
| petty |
of little importance or interest. |
| portent |
a sign of something important, and often disastrous, that is about to occur; omen. |
| rehabilitation |
the act of bringing back to a healthier, stronger, or more socially respectable condition. |
| toll2 |
a charge for using a bridge or a road. |
| worthwhile |
valuable enough to be worth doing. |