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Organic chemicals
Any member of a large class of gaseous, liquid, or solid chemical compounds whose molecules contain carbon.
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3 alpha process
Astronomy; General astronomy
A nuclear reaction (3 4He → 12C + γ + 7 MeV) by which helium is transformed into carbon. The process is dominant in red giants. At a temperature of about 2 × 108 K and a density ...
security selection decision
Financial services; General Finance
Choosing the particular stocks or bonds or other investment instruments to include in a portfolio.
atomic number (charge number)
Astronomy; General astronomy
The number of protons in an atom's nucleus. This determines the type of element.
specialist unit
Financial services; General Finance
A specialist who maintains a stable market by acting as a principal and agent for other brokers in one or many stocks.
colby
Dairy products; Cheese
Traditional, creamery, semi-soft cheese made from cow's milk. The sizes vary, but they are generally block-shaped and free of rind. It was named after the town in Wisconsin, USA ...
attenuation
Astronomy; General astronomy
The falling off of the energy density of radiation with distance from the source, or with passage through an absorbing or scattering medium.