Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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equivalence ratio

Automotive; Vehicle equipment

Actual air/fuel ratio divided by the stoichiometric air/fuel ratio. An air/fuel mixture is said to be stoichiometric when fuel combustion consumes all of the initial reacting ...

knuckleball

Sports; Baseball

A pitch that is thrown more with the knuckles then the fingers. It is a slow moving pitch that tends to move around a lot. Very few pitchers throw knuckleballs because they are so ...

double trap

Sports; Shooting

In type of trapshooting two targets are released at the same time but at different heights and angles. The shooter is required to fire a shot at each target.

Greek coffee

Beverages; Coffee

Is made by boiling finely ground coffee and water together in an ibrik, whic is a long-handled, open, brass or copper pot. When done, it is poured directly into tiny demitasse ...