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Astronomy

The scientific study of planets, stars, black holes, comets and other celestial bodies that make up outer space.

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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 ...

perennial

Biology; Flowers

A plant which continues to grow after it has reproduced, usually meaning that it lives for several years.

ovule

Plants; Flowers

In seed plants, the structure which gives rise to the seed.

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