Full Definition of DUSKY. 1. : somewhat dark in color; specifically: having dark skin. 2. : marked by slight or deficient light: shadowy. â duskÂ·iÂ·ly \-kÉ-lÄ\ adverb. â duskÂ·iÂ·ness \-kÄ-nÉs\ noun. See dusky defined for English-language learners.See dusky defined for kids. ADVERTISEMENT.ull Definition of DUSKY. 1. : somewhat dark in color; specifically: having dark skin. 2. : marked by slight or deficient light: shadowy. â duskÂ·iÂ·ly \-kÉ-lÄ\ adverb. â duskÂ·iÂ·ness \-kÄ-nÉs\ noun. See dusky defined for English-language learners. See dusky defined for kids.
A prism is a three-dimensional figure with two parallel congruent faces, called bases, and lateral faces in the shape of parallelograms. Prisms are named according to the shape of their bases. A prism whose bases and lateral faces are rectangles. A rectangular prism whose faces are squares. A three-dimensional shape with two parallel congruent circular faces whose cross sections (taken parallel to these circular faces) are circular. A cone is like a pyramid with a circular base.
Rectangular Prism. A polyhedron with two congruent and parallel faces and whose lateral faces are parallelograms. Prism are often distinguished by the shape of their base polygon. A prism with rectangular bases is a rectangular prism. Rectangular prism is a 3-dimensional solid object which has six faces that are rectangles. A rectangular prism has two ends and four sides. Opposite sides of the rectangular prism have the same area. A vertex is the point on 3-D shape where two or more edges meet. More than one vertex contained by a object is called vertices.