| aircraft |
any machine that can fly through the air, such as an airplane, helicopter, glider, or balloon. |
| blur |
to cause to run together or become confused. |
| dual |
of or having two parts; double. |
| exceptional |
different, unusual, or out of the ordinary. |
| feeble |
without strength; weak in body or mind. |
| majority |
the greater number or amount; a number or amount greater than half. |
| newly |
not long ago. |
| optional |
left to someone's choice; not required. |
| outcome |
a result of something. |
| possessor |
one who has or owns something. |
| repetition |
the act or process of doing or saying again. |
| reputation |
the level of respect with which a person is thought of by others. |
| tide |
the flowing of water away from or back onto the land. |
| total |
the whole amount; sum. |
| vaccine |
a substance used to protect people and animals from very serious diseases. Vaccines contain germs of a particular disease--these germs been killed or changed in a certain way in a laboratory to make them safe. A vaccine goes into a person's body in a shot that is given by a doctor or nurse. After a vaccine is put into a person's body, that person will not get that disease or will get only a mild case. |