Dehydration is described as the process of removing water from a substance, particularly the removal of most of the remaining 5 per cent of water from 190-proof ethanol, in the production of absolute or anhydrous ethanol.

DAT is the acronym of Digital audio tape and other definitions.

Dry sausage makes reference to fermented sausage which undergoes a moisture loss of up to 25% of the total.

Diazochrome refers to diazo sensitized films that produce colored dye images on a transparent plastic base.

Development means the carrying out of building, engineering, mining or other operations in, on, and over or under land or the making of a material change in the use of any buildings or other land.

Demountable systems are used on trucks for loading and unloading containers and demountable platforms.

Decoration has something to do with enhancement of the basic form of a piece of ceramic Ware by any of several techniques such as painting, enameling, gilding, burnishing, applying relief work, transfer printing, and others.

Data processor is a person whose job or functon is to obtain, record and hold information which can then be retrieved, used, disseminated or erased.