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News service

Of or pertaining to any organisation, agency or person engaged in the business of selling news to the public.

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Kepler's laws of planetary motions and orbits

Astronomy; Mars

Laws governing the motions of planets in their orbits:. # the orbits of the planets are ellipses with the sun at a common focus. # the line joining a planet and the sun sweeps ...

alpha decay

Astronomy; General astronomy

1) Spontaneous emission by a heavier element (such as uranium) of positively charged helium nuclei - alpha particles - comprising 2 protons and 2 neutrons. The result of this ...

cell wall

Biology; Genetics

Rigid structure deposited outside the cell membrane.

leadout

Sports; Bicycle & electric bicycle

a race tactic in which a rider accelerates to his maximum speed for the benefit of a teammate in tow. The second rider then leaves the draft and sprints past at even greater speed ...

disinfection

Software; Anti virus

Removing a virus infection from a file.

two-factor model

Financial services; General Finance

Usually, Fischer Black's zero-beta version of the capital asset pricing model. It may also refer to another type of model whereby expected returns are generated by any two ...