QUAD has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of QUAD in Scientific & Educational.
A quarter of a circle. The name is also used for various things in this shape, such as a timber moulding, a corner kerbstone, or a historic navigational instrument.
Scientific & EducationalA point in the orbit of a superior planet where it appears at right angles to the Sun as seem from Earth. Relative position of a heavenly body when 90" from another. Position of Moon when she is halfway between conjunction and opposition, thus being quadrate with Sun
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