A hospital ward into which critically ill patients, in danger of dying, are admitted and closely monitored (abbreviation: ICU).

A garbage disposal.

A garbage disposal.

An expansive region encompassing the southeastern and south-central part of the United States, typically defined as including the states of Texas, Oklahoma, Louisiana, Arkansas, Alabama, Mississippi, Tennessee, Kentucky, Florida, Georgia, North Carolina, South Carolina, West Virginia, and Virginia, sometimes also Maryland, Delaware, Washington, D.C., and Missouri.

(rail transport) A multiple unit train powered by electricity, abbreviated EMU.

(historical) Name of the country of Brazil between 1937 and 1967.

The unit in which the Scoville scale is measured.

(aviation) A generator in aircraft or other vehicles for providing electric power to various systems, such as lighting, especially when the main engines are not running.

plural of Heaviside unit function

A unit (in an artificial neural network) that employs a rectifier