The act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion.
The gradual spread and adoption of goods or services.
Exchange of airborne media between regions in space in an apparently random motion of a small scale.
The spread of cultural or linguistic practices, or social institutions, in one or more communities.
The scattering of light by reflection from a rough surface, or by passage through a translucent medium.
The movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
The intermingling of the molecules of a fluid due to random thermal agitation.
The amount or proportion of something that is wasted or lost by deterioration or other natural process.
The periodical turnover of personnel in an organisation by death, retirement or resignation, as perceived by those aspiring to promotion or appointment in the organisation.
Anything lost by wear or waste.
Goods that are damaged, out of date, reduced, or generally unsaleable, which are destined to be thrown away and which are written off as a loss.
The act of abandoning animal carcasses or parts, usually illegal.