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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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Biology; Flowers

Elongated and thickened cell found in xylem tissue. It strengthens and supports the surrounding cells.


Kitchen & dining; Cooking tools

A flat spoon of a definite shape made of plastic or rubber widely used in bakery for the purpose of mixing ingredients and for smoothening the surface.

self-employment tax

Financial services; General Finance

A tax self-employed people must pay to qualify them to receive Social Security benefits at retirement.


Astronomy; General astronomy

For an object orbiting the sun, the point (distance and time) where/when the object is furthest from the sun in its elliptical orbit.


Plants; Flowers

Collection of reproductive structures found in flowering plants.

blasting circuit

Energy; Coal

An electric circuit that is used to detonate a primary explosive in a blasting cap.