Glossary D

Deutsch: Gerät / Español: Dispositivo / Português: Dispositivo / Français: Dispositif / Italiano: Dispositivo /

Device can be taken to mean:

1. An electrical device designed to carry power;

Digital command control has something to do with the method of controlling multiple trains and accessories using digital communications packets to send commands.

Digital audio tape (DAT) has something to do with the tape which stores data digitally rather than in traditional analogue format.

Diffraction is identified as the phenomenon of light that occurs when light passing through a narrow aperture bends when it passes around an edge.

Differential is defined as a device - usually made of gears - that divides the torque between a vehicle's driving wheels and permits the wheels to turn at different speeds.

Differential gear is defined as a bevel gear that permits rotation of two shafts at different speeds.

Demand is a term to denote the amount of goods people are willing and able to buy at a given price; often coupled with supply.

Dyes are characterized as a synthetic or natural organic chemicals that are soluble in most common solvents. Characterized by good transparency, high tinctorial strength, and low specific gravity.