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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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Spatula
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.
aphelion
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.
blasting circuit
Energy; Coal
An electric circuit that is used to detonate a primary explosive in a blasting cap.
