| Subject | English | Catalan |
| environ. | demographic evolution The gradual pattern of change in the growth of human populations in a particular region or country, from a rapid increase in the birth and death rates to a leveling off in the growth rate due to reduced fertility and other factors | evolució demogràfica |
| environ. | historical evolution The process by which small but cumulative changes in the learned, nonrandom, systematic behavior and knowledge of a people occur from generation to generation | evolució històrica |
| math. | index of evolution | índex d'evolució |
| environ. | pollutant evolution The process of cumulative reactive change following the introduction of a pollutant into the environment | evolució contaminant |