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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balaclava

Sports;

a thin hood that covers the head and neck with an opening for the face. It's worn under the helmet to prevent heat loss in cold or wet conditions.

slipstream

Sports; Bicycle & electric bicycle

the pocket of calmer air behind a moving rider. Also called the draft.

Handi

Kitchen & dining; Cooking tools

It is made of brass and the cooking surface is coated with tin. It has a neck that is narrower than the base.

true interest cost

Financial services; General Finance

For a security such as commercial paper that is sold on a discount basis, true interest cost is the coupon rate required to provide an identical return assuming a coupon-bearing ...

Am star

Astronomy; General astronomy

Peculiar star whose metallic lines are as strong as those of the F stars but whose hydrogen lines are so strong as to require that they be classed with the A stars. They are ...