(n): a process existing in or produced by nature (rather than by the intent of human beings)
(n): the spread of social institutions (and myths and skills) from one society to another
(n): process or result of distributing or extending over a wide expanse of space
(n): the property of being diffused or dispersed
(n): the spatial or geographic property of being scattered about over a range, area, or volume
(n): the act of dispersing or diffusing something
(n): act of extending over a wider scope or expanse of space or time
