The underlying component that a database management system uses to create, retrieve, update and delete data.

An engineer who designs and coordinates engineering aspects of a construction project

Any engine that converts energy from the sun into electrical or mechanical energy; especially such an engine used for the propulsion of a spacecraft.

The technical design and construction of public works such as bridges, buildings, harbours, public greens, roads, etc., and/or technically equivalent private (usually corporate) ones.

An engine that obtains thrust by taking in air at the front, using it to burn fuel, then ejecting the hot combustion products at the rear through a propulsive nozzle.

A piston engine driven by steam (as contrasted, for example, with a steam turbine). / Any heat engine that uses steam as its primary working fluid to do mechanical work. / (Britain) A steam locomotive.

(firefighting) A vehicle used by firefighters to pump water to fight a fire. Typically, a fire engine carries a supply of water and has the ability to connect to an external water supply.

(Britain, dated) The person who drives the engine of a train.

problems occurring with an engine or motor, especially with that of a motor car

The manufacturing of products with a degree of precision defined by individual molecules or atoms