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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Fischer-Tropsch (FT) fuel

Automotive; Vehicle equipment

Diesel fuel made from natural gas using a method known as the Fischer-Tropsch process. FT fuels are liquid at ambient conditions, have a high cetane number, and effectively no ...

mid-relief

Sports; Baseball

See Relief Pitcher

Avogadro number (NA)

Astronomy; General astronomy

The number of atoms in 12 grams of carbon 12. The number of atoms in a gram-atom (mass in grams numerically equal to the atomic weight) or the number of molecules in a ...

pith

Plants; Flowers

To severely damage the brain of a frog, also any central region of parenchyma tissue within a plant stem.

call sign (station)

Entertainment; TV

In broadcasting and radio communications, a Call Sign is a unique designation that identifies a transmitting station. In some cases, they are used as names for broadcasting ...

printed vinyls

Advertising; Billboard advertising

Increasingly the industry standard for outdoor display poster. Printed vinyls yield clean, bold color graphics when professionally printed, and are more durable and easy to post ...