Dictionary of Energy

A: A azimuth angle

A Adair, Paul (Red)

A

ampere.

ab-

Electricity. a prefix indicating electromagnetic units of the centimeter-gram-second system; e.g., abohm, abvolt.

abandoned

Mining. describing an excavation that is deserted and in which no further mining is intended. Thus, abandonment, aban doned working or mine.

abatement

Environment. a reduction in the amount of pollution generated, or in the effects of pollution.

abatement cost

Economics. the cost of reducing emissions from some established reference level.

Abdel Aziz

1906 1975, King of Saudi Arabia from 1964 to 1975. He ruled in a period when the Arab oil exporting nations gained increasing control over the world oil market, and was seen as a major force behind the oil embargo against the U.S. in 1973, which helped produce the first oil price shock.

aberration

Physics. an apparent displacement in the position of a celestial object, due to the time it takes for light from the object to reach an earthbound observer and to the orbital motion of the earth during that time.

abiogenic

Earth Science. not resulting from the activities of living organisms.

abiogenic theory

Oil & Gas. the theory that hydrocarbon deposits have a (mainly) non-biological origin. According to this, such ma terials became trapped far below the earth's crust when the basic structure of the planet evolved, and have subsequently migrated into reservoirs and to the...

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