a truncated pyramid
11truncated — [truŋ′kāt΄id, trun′kāt΄id] adj. 1. cut short or appearing as if cut short 2. a) cut off or replaced by a plane face: said of the angles or edges of a crystal or solid figure b) having its angles or edges cut off or replaced in this way: said of… …
12Truncated 24-cell — 24 cell …
13pyramid — pyramidlike, adj. /pir euh mid/, n. 1. Archit. a. (in ancient Egypt) a quadrilateral masonry mass having smooth, steeply sloping sides meeting at an apex, used as a tomb. b. (in ancient Egypt and pre Columbian Central America) a quadrilateral… …
14Truncated 120-cell — In geometry, the truncated 120 cell is a uniform polychoron, constructed by a uniform truncation of the regular 120 cell polychoron. It is made of 120 truncated dodecahedral and 600 tetrahedral cells. It has 3120 faces: 2400 being triangles and… …
15truncated — /trung kay tid/, adj. 1. shortened by or as if by having a part cut off; cut short: an unnecessarily truncated essay. 2. (of a geometric figure or solid) having the apex, vertex, or end cut off by a plane: a truncated cone or pyramid. 3. Crystall …
16truncated — /trʌŋˈkeɪtəd/ (say trung kaytuhd) adjective 1. shortened by the cutting off of a part, or appearing as if so shortened; cut short. 2. (of a geometrical figure or solid) having the apex, vertex, or end cut off by a plane: a truncated cone or… …
17Moscow Mathematical Papyrus — Pushkin State Museum of Fine Arts in Moscow 14th problem of the Moscow Mathematical Papyrus (V. Struve, 1930) Date …
18Apothem — The apothem of a regular polygon is a line segment from the center to the midpoint of one of its sides. Equivalently, it is the line drawn from the center of the polygon that is perpendicular to one of its sides. The word apothem can also refer… …
19History of geometry — Geometry (Greek γεωμετρία ; geo = earth, metria = measure) arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre modern mathematics, the other being the study of numbers. Classic geometry… …
20Teotihuacán — /te aw tee wah kahn /, n. the ruins of an ancient Mesoamerican city in central Mexico, near Mexico City, that flourished A.D. c200 c750 and is the site of the pyramids of the Sun and Moon and of many temples, palaces, and dwellings. * * * Largest …
