2. 拡散あるいは分散する特性(the property of being diffused or dispersed)
3. ある社会から他の社会へ社会機構(神話と技能)の普及(the spread of social institutions (and myths and skills) from one society to another)
4. ある物質が、その物質の濃度の高い所から低いところへ動く過程(the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration)