| aggregation |
the act of collecting or being collected into a whole or mass. |
| comprehend |
to understand or grasp the meaning of. |
| depression |
a state of deep sadness or hopelessness that can persist for months or years and is not necessarily triggered by any particular external events. |
| friction |
the rubbing of objects against each other. |
| heartland |
a central land area, especially one considered to be economically, politically, or militarily vital to a nation or region. |
| migration |
the act or process of moving to another region to live, especially in a group. |
| nestle |
to lie close or curled next to. |
| onward |
toward a point or position ahead in space or time. |
| preferential |
giving advantage to one over others. |
| preservation |
protection from loss or damage; the act of preserving. |
| renew |
to make like new; restore. |
| rogue |
a person who is dishonest or mean. |
| stern1 |
firm and determined; not flexible. |
| suffuse |
of a color, liquid, or the like, to spread throughout or across the surface of. |
| variable |
something that can change or that has no fixed value. |