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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pits

Biology; Flowers

Thin regions of the cell wall in xylem conducting cells. Their structure is an important characteristic for recognizing different kinds of wood.

frustule

Biology; Genetics

The mineral "skeleton" of a diatom or other unicellular organism.

alias

Design; Design

The jagged edges on curves and diagonal lines when low-pixel bitmap images are enlarged.

drag coefficient

Weather; Meteorology

A dimensionless ratio of the component of force parallel to the direction of flow (drag) exerted on a body by a fluid to the kinetic energy of the fluid multiplied by a ...