| arsenal |
a building used for storing weapons and ammunition. |
| autonomous |
free and independent, as a state or an organism; self-governing. |
| composition |
the way the parts of something are put together; order or structure. |
| dependable |
deserving trust or confidence; able to be counted on. |
| expend |
to use up. |
| hearth |
the floor of a fireplace, or the stone or brick area in front of it. |
| immature |
not completely grown or developed; not mature. |
| infection |
the act of infecting or an instance or condition of being infected. |
| inflammatory |
tending to arouse and excite the emotions, or call forth an emotional response. |
| innovator |
one who proposes or implements new methods, ideas, products, and the like. |
| mystify |
to confuse or puzzle, often on purpose. |
| occasionally |
at times; now and then; not frequently. |
| pioneer |
someone who is one of the first in a culture to explore or live in a place. |
| successive |
following one after another. |
| theory |
a reasonable, widely accepted explanation for why something happens. |