| absent |
not present; away from where one usually is. |
| achievement |
something achieved through hard work, courage, or skill. |
| enthusiasm |
a strong interest or excitement in connection with something. |
| entirely |
completely; in every way. |
| envy |
a feeling of wanting what someone else has. |
| frolic |
to act in a playful way by romping about, making merry, or playing jokes. |
| guideline |
a rule that tells people how to do something in the way that is considered best. |
| mutate |
to display or cause to display a physical trait or characteristic that is different from one's parent or parents as a result of a change within a gene or chromosome. |
| polish |
to give a shiny surface to. |
| production |
the act or process of making or manufacturing. |
| quench |
to satisfy. |
| radar |
the use of radio waves to track the location, distance, and speed of faraway objects. Waves are sent out and then picked up again when they bounce back after hitting some object. |
| subject |
the topic of what is said, written, or studied. |
| substitute |
to put or use in place of another person or thing. |
| summit |
the highest part; peak. |