A device, or system of devices, that allows electrical current to flow through it and allows voltage to occur across positive and negative terminals.

This is the concept of how long a device or process can operate properly without needing maintenance or replacement.

Air with a weight of 0.075 pounds per cubic foot with an equivalent density of dry air at a temperature of 86 degrees Fahrenheit and standard barometric pressure of 29.92 inches of mercury.

A fluorescent lamp that has a tubular shape.

Changing the consignee or destination on a bill of lading while shipment is still in transit. Diversion has substantially the same meaning.

A loss in ductility accompanied by an increase in hardness and strength that occurs when low-carbon steel (especially rimmed or capped steel) is aged following plastic deformation. The degree of embrittlement is a function of aging time and temperature, o ...

Solar and terrestrial radiation directed downwards (towards the earth's surface); incoming radiation.

Determined by weighing a special type of wooden stick that has been exposed in the woods, its weight being proportional to its contained water.

That portion of the record of a microbarograph between any two (or a specified small number) of successive crossings of the average pressure level (in the same direction). Analogous to microseism.

Vessel said to be "on her beam ends" when she is lying over so much that her deck beams are nearly vertical.

Beneath the deck

A bearing 180

A single, solid, homogeneous crystalline phase containing two or more chemical species.

(1) Before finishing to final dimensions, repeatedly heating a ferrous or nonferrous part to or slightly above its normal operating, temperature and then cooling to room temperature to ensure dimensional stability in service. (2) Transforming retained aus ...

A knot used to temporarily shorten a line.

A motor controller that regulates the air flow through an end plate into the motor to control the speed and power. A speed regulation device built into or attached externally.

Same as ombrometer.

Deals on an exchange where investors are obliged to settle immediately rather than on.

The notification to a client by a brokerage house that more funds are required to bring a margin.

Read Only Memory. A memory that cannot be altered in normal use of a computer, Usually used to store information permanently, such as firmware programs.