Four-sided
91teetotum — /tee toh teuhm/, n. 1. any small top spun with the fingers. 2. a kind of die having four sides, each marked with a different initial letter, spun with the fingers in an old game of chance. [1710 20; earlier T totum, alter. of totum name of toy (… …
92building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
93Knoop hardness — ▪ mineralogy a measure of the hardness of a material, calculated by measuring the indentation produced by a diamond tip that is pressed onto the surface of a sample. The test was devised in 1939 by F. Knoop and colleagues at the National… …
94trapezium — noun a) A four sided polygon with two sides parallel; a trapezoid (modern sense) b) A four sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral. Syn: trapezoid …
95quadratus — q. lumborum fascia anterior layer of thoracolumbar fascia. * * * qua·dra·tus kwä drāt əs n, pl qua·dra·ti .ī any of several skeletal muscles more or less quadrilateral in outline see …
96Geestharden house — The Geestharden house (German: Geesthardenhaus), also called the Cimbrian house (Cimbrisches Haus), Schleswig house (Schleswiger Haus), Slesvig house (Danish: Slesvigsk gård) or Southern Jutland house (Sønderjysk gård) due to its geographical… …
97Mark I trench knife — On the left a Mark I knife used to dig up an anti personnel mine. The mine is an S mine The Mark I trench knife was an American trench knife designed by officers of the American Expeditionary Force (AEF) for use in World War I. It had a… …
98τετράπλευρον — τετράπλευρος four sided masc/fem acc sg τετράπλευρος four sided neut nom/voc/acc sg …
99quadrangle — n. 1 a four sided plane figure, esp. a square or rectangle. 2 a a four sided court, esp. enclosed by buildings, as in some colleges. b such a court with the buildings round it. Derivatives: quadrangular adj. Etymology: ME f. OF f. LL quadrangulum …
100tetrahedron — n. (pl. tetrahedra or tetrahedrons) a four sided solid; a triangular pyramid. Derivatives: tetrahedral adj. Etymology: late Gk tetraedron neut. of tetraedros four sided (as TETRA , HEDRON) …
