| verb | move outward “The soldiers fanned out” |
| verb | spread or diffuse through “An atmosphere of distrust has permeated this administration” |
| verb | cause to become widely known “spread information” |
| adjective | (of light rays) subjected to scattering by reflection from a rough surface or transmission through a translucent material “diffused light” |
| adjective | (of light) transmitted from a broad light source or reflected |
| diffusion | noun | the act of dispersing or diffusing something |
| spread | noun | act of extending over a wider scope or expanse of space or time |
| permeative | adjective | spreading or spread throughout |
| permeant | adjective | spreading or spread throughout |
| permeation | noun | the process of permeating or infusing something with a substance |
| pervasive | adjective | spreading or spread throughout |
| pervasion | noun | the process of permeating or infusing something with a substance |
| penetrative | adjective | tending to penetrate; having the power of entering or piercing |
| interpenetration | noun | mutual penetration; diffusion of each through the other |
| diffusive | adjective | spreading by diffusion |
| diffusor | noun | baffle that distributes sound waves evenly |
| circulation | noun | the spread or transmission of something (as news or money) to a wider group or area |
| circular | noun | an advertisement (usually printed on a page or in a leaflet) intended for wide distribution |
| disseminative | adjective | spreading by diffusion |
| dissemination | noun | the opening of a subject to widespread discussion and debate |
| disseminator | noun | someone who spreads the news |
| propagation | noun | the spreading of something (a belief or practice) into new regions |
| propagator | noun | someone who spreads the news |
| broadcast | noun | a radio or television show |
| spreading | noun | the opening of a subject to widespread discussion and debate |
| dispersive | adjective | spreading by diffusion |
| dispersion | noun | the act of dispersing or diffusing something |
| dispersal | noun | the act of dispersing or diffusing something |