| assemble |
to gather into a group. |
| cipher |
a system that substitutes letters and symbols for the letters and symbols contained in a written message in order to conceal its meaning; code. |
| conversion |
the changing of a person's religious beliefs. |
| degrade |
to bring down from a higher to a lower rank or degree by taking away a position or title. |
| deplete |
to lessen drastically; exhaust. |
| duct |
a pipe or tube that carries air or liquid. |
| ecology |
the scientific study of the relationships between living things and their environments. |
| fortify |
to give more strength, resistance, or energy to; reinforce. |
| glower |
to look or stare with sullenness, anger, or animosity; scowl. |
| hue |
a particular color, such as sky blue; shade. |
| priority |
precedence, especially because of authority, right, or urgent need. |
| scenario |
a detailed outline or summary of a play, film, or book. |
| solely |
only; for no other reason; completely. |
| toxin |
any poisonous substance that is produced by living cells or living organisms. |
| unnecessary |
not needed or required. |