Pollution control

Pollution control

Related to the measures implemented by a state, institution or community to manage and control environmental pollution.

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black damp

Energy; Coal

Term used for when there's an area with low oxygen levels and too much nitrogen, argon, carbon dioxide or water vapor. In mining, this creates a deadly situation where ...

speculative-grade bond

Financial services; General Finance

Bond rated Ba or lower by Moody's, or BB or lower by S&P, or an unrated bond.

barycenter

Astronomy; General astronomy

The center of mass of a system of bodies, such as the solar system. When a comet, for example, is well outside the orbit of Neptune (the farthest major planet), it sees the sun ...

Stainless Steel

Kitchen & dining; Cooking tools

One of the two principal metals used in cookware, extremely durable, smooth and scratch-resistant.

supermajority amendment

Financial services; General Finance

Often used in risk arbitrage. Corporate amendment requiring that a substantial majority (usually 67% to 90%) of stockholders approve important transactions, such as mergers.

azimuth

Astronomy; General astronomy

Angular distance measured clockwise around the observer's horizon in units of degrees; astronomers usually take north to be 0 degrees, east to be 90 degrees, south to be 180 ...