Railways

Railways

The means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks.

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Auger transition

Astronomy; General astronomy

A radiationless quantum jump that occurs in the X-ray region. When a K-electron is removed from an atom and an L-electron drops into the vacancy in the K-shell, the energy ...

microvilli

Biology; Genetics

Thin fingerlike protrusions from the surface of a cell, often used to increase absorptive capacity or to trap food particles.

CableCARD

Entertainment; TV

Security card that Digital Cable Ready (DCR) TV owners must obtain from their cable company in order to view scrambled programming, such as premium services.

pre-ride

Advertising; Billboard advertising

An in-market field check of available panels to determine locations for a specific GRP/showing.

red shirt

Sports; Football

a designation given to a college player who did not play in any games during a particular year due to injury or coach's choice; such a player is permitted to practice with the ...