The Louvre Museum as seen through the Louvre Pyramid glass in Paris, France. From the National Geographic book The 10 Best of Everything. Smithsonian Institution, Washington, D.C. The Smithsonian is the worldâs largest research and museum complex, with 19 museums and galleries, the National Zoological Park, and various research stations.
1 An arithmetic sequence is a sequence with the difference between two consecutive terms constant. 2  The difference is called the common difference. 3  A geometric sequence is a sequence with the ratio between two consecutive terms constant. 4  This ratio is called the common ratio.
geometric. adj. 1. (Mathematics) of, relating to, or following the methods and principles of geometry. 2. (Mathematics) consisting of, formed by, or characterized by points, lines, curves, or surfaces: a geometric figure.eometric-characterized by simple geometric forms in design and decoration; a buffalo hide painted with red and black geometric designs. geometrical. beaux arts, fine arts-the study and creation of visual works of art.