| accumulate |
to pile up, collect, or gather. |
| climate |
the usual weather conditions in a place. |
| controversy |
a disagreement; debate. |
| hypothesis |
a prediction or educated guess that can be tested and can be used to guide further study. |
| incidence |
the frequency with which something happens or the range over which it occurs. |
| isolate |
to set apart or separate so as to be alone. |
| passport |
an official document that shows that the holder is a citizen of a country. A passport gives one the right to travel in other countries and return to one's own country. |
| preservation |
protection from loss or damage; the act of preserving. |
| ratio |
a relation or comparison between numbers or things based on amount or degree. |
| reassure |
to make less worried; give back confidence to. |
| scald |
to burn with or as if with a hot liquid or steam. |
| slander |
a false statement or statements made to hurt someone's reputation, or the act of making such statements. |
| spacious |
having plenty of space. |
| temptation |
the condition of being lured or enticed by the possibility of pleasure to do something unwise or wrong. |
| vigilante |
one who seeks to avenge a crime or injury or to punish a suspected criminal without legal authority or due process. |