Glossary D

The Environmental Glossary. Letter D +++ Popular Articles: 'Development', 'Disease', 'Durability'

Dissolved Oxygen (DO) content is amount of Oxygen gas (O2) dissolved in a given volume of water at a

Dissolved Solids are Disintegrated organic and Inorganic material in water. Excessive amounts make water unfit to drink or use in industrial processes.

Distillate fuel oil is a general classification for the petroleum fractions produced in conventional Distillation operations.

A Distillation is the act of purifying liquids through boiling, so that the steam or gaseous vapors condense to a pure liquid. Pollutants and contaminants may remain in a concentrated

Deutsch: Distribution / Español: Distribución / Português: Distribuição / Français: Distribution / Italiano: Distribuzione

A Distribution is the concentration of an element at a point over time, over an area, or within a volume; a probability function (density function, mass function, distribution function) used to describe a set of observations (statistical sample) or a population from which the observations are generated.

A Distribution Center (DC) is Distribution centers store and sort goods using warehouse space so that full truckloads of merchandise can be sent to a single destination or to multiple

distribution function (See cumulative distribution.)

A Distribution System is a network of pipes leading from a treatment plant to customers. plumbing systems.

A Disturbance is any event or series of events that disrupt ecosystem, community, or population structure and alters the physical environment.

A Diversion is 1. Use of part of a stream flow as water supply.