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.
â¢ GEOMETRIC PROGRESSION (noun). The noun GEOMETRIC PROGRESSION has 1 sense: 1. (mathematics) a progression in which each term is multiplied by a constant in order to obtain the next term. Familiarity information: GEOMETRIC PROGRESSION used as a noun is very rare.Dictionary entry details.eaning: (mathematics) a progression in which each term is multiplied by a constant in order to obtain the next term. Classified under: Nouns denoting groupings of people or objects. Context example: 1-4-16-64-256- is the start of a geometric progression.