| adhere |
to stick or cling firmly (usually followed by "to"). |
| array |
a large and impressive set of things; display. |
| ecstatic |
in a condition of extreme delight, overpowering emotion, or religious trance; enraptured. |
| experiment |
to explore by trying different things. |
| immature |
not completely grown or developed; not mature. |
| inhale |
to breathe in; take in by breathing. |
| instructional |
pertaining to or having the purpose of teaching or providing information on a topic. |
| membrane |
a thin layer of tissue found in living things. Some kinds of membranes cover the outside or inside of organs. Other membranes separate or connect different parts of the body. |
| oversee |
to watch over and direct (others or their work); supervise. |
| principle |
a basic law or truth on which action or behavior is based. |
| regional |
of or relating to a particular geographical area. |
| spectator |
one that watches or observes. |
| substantial |
considerable; ample. |
| tuition |
the charge for being taught at a college or private school. |
| urban |
of or having to do with a city or town. |