all material and energy present in and around an operating system, such as dust, air moisture, chemicals, and thermal energy.

Brittie fracture of a normally ductile material in which the corrosive effect of the environment is a causative factor. Environmental cracking is a general term that includes corrosion fatigue, high-temperature hydrogen attack, hydrogen blistering, hydrog ...

See embrittlement.

Same as Aeolian.

Environmental Protection Agency.

Electronic Position Fixing System

Emergency Position Indicating Radio Beacon. Small buoyant transmitter which should always remain afloat if the ship sinks, and send automatically a distress message via satellites.

In reference to solar photovoltaic devices, the growth of one crystal on the surface of another crystal. The growth of the deposited crystal is oriented by the lattice structure of the original crystal.

Resin formed by the reaction of bisphenol and epichlorohydrin.

A pyrheliometer of the thermoelectric type. Radiation is allowed to fall on two concentric silver rings, the outer covered with magnesium oxide and the inner covered with lamp black. A system of thermocouples (thermopile) is used to measure the temperatur ...

Erasable Programmable Read Only Memory. Programable read-only memory which can be erased, usually by ultraviolet light, and re-programmed.

IMO performance standard for ECDIS

Is a key ratio used in.

Equipped for Carriage of Container and Vehicles.

Equipped with Computer Controlled Auxiliary Sailing System.

A monetary allowance to the customer for picking up or delivering at a point other than the destination shown on the bill of lading. This provision is covered by tariff publication.

An imaginary line around the center of the earth at 0

The potential of an electrode in an electrolytic solution when the forward rate of a given reaction is exactly equal to the reverse rate. The equilibrium potential can only be defined with respect to a specific electrochemical reaction.

The great circle on the celestial sphere in the plane of the earth's equator; also called the celestial equator. The sun is on the equinoctial twice a year, on the equinoxes, March 21 and September 23. On these days the sun rises at 6 a.m. and sets at 6 p ...

The two times of the year when the sun crosses the equator and night and day are of equal length; usually occurs on March 21st (spring equinox) and September 23 (fall equinox).