A type of turbine in which combusted, pressurized gas is directed against a series of blades connected to a shaft, which forces the shaft to turn to produce mechanical energy.

A wind shift that allows a boat to sail above its mean wind course.

A navigational aid with a light that flashes about once per second.

A way of joining photovoltaic cells by connecting positive leads to negative leads; such a configuration increases the voltage.

Aging under conditions of time and temperature greater than those required to obtain maximum change in a certain property, so that the property is altered in the direction of the initial value.,/dd>

A type of motor that has a rotor with electrical windings connected through slip rings to the external power circuit. An external resistance controller in the rotor circuit allows the performance of the motor to be tailored to the needs of the system and ...

Extended Binary Coded Decimal Interchange Code. A standard code used to represent data using 8 bits per character.

Additional thickness of planking on a wooden ship about her waterline to give the vessel more stability.

A small wooden, metal or plastic insertion at the head of a mainsail.

A curve showing the variation of temperature with height in the free air. See lapse rate.

The gravity flow of water within soil.

A train of a specified number of railcars, perhaps 100, which remain as a unit for a designated destination or until a change in routing is made.

Air brought into a building from outside to replace exhaust air.

Upward displacing swells.

To coat a metal surface with zinc using any of various processes.

Taxation which is levied in an indirect way rather than being charged directly on an individual's.

A house built into the ground or slope of a hill, or which has most or all exterior surfaces covered with earth.

Hoist or haul in the anchor.

A sail set forward of the foremast on the headstay; a foresail

A life-threatening condition where there is loss of body heat; the greatest danger for anyone in the water. As the body loses its heat, body functions slow down, and this can quickly lead to death.