SDG … Umkugel (63 senses)

- SDG (Noun) [English] Initialism of synthetic differential geometry.
- SFT (Noun) [English] Initialism of sparse Fourier transform.
- SOHCAHTOA (Phrase) [English] sine: opposite over hypotenuse, cosine: adjacent over hypotenuse, tangent: opposite over adjacent
- SSA (Noun) [English] Initialism of side side angle (a geometric proof reason)
- STFT (Noun) [English] Initialism of short-time Fourier transform.
- Satz des Pythagoras (Noun) [German] Pythagorean theorem
- Satz des Thales (Noun) [German] Thales's theorem
- Satz von Hjelmslev (Noun) [German] Hjelmslev's theorem
- Schenkel (Noun) [German] each of the two straight lines that meet in an angle
- Schenkel (Noun) [German] each of the two sides of equal length of an isosceles triangle
- Scherung (Noun) [German] shear, shear mapping, shearing, transvection
- Schiif (Noun) [Limburgish] drive
- Schlegel diagram (Noun) [English] A projection of a polytope from n-dimensional space to n-1 dimensions through a point beyond one of its faces; especially such a projection (itself represented in 2 dimensions) of a 3- or 4-dimensional polytope.
- Schläfli double six (Noun) [English] A configuration of 30 points and 12 lines. The lines can be partitioned into two subsets of six: each line is disjoint from (skew with) the lines in its own subset of six lines, and intersects all but one of the lines in the other subset of six lines. Each of the 12 lines of the configuration contains five intersection points, and each of these 30 intersection points belongs to exactly two lines, …
- Schläfli symbol (Noun) [English] A notation that recursively encodes certain properties of a specified regular polytope or tessellation.
- Schtar (Noun) [Limburgish] a star, a mullet, or anything that resembles such an object
- Schönhardt polyhedron (Noun) [English] The simplest non-convex polyhedron that cannot be triangulated into tetrahedra without adding new vertices.
- Sechseck (Noun) [German] hexagon
- Sechseck (Noun) [Luxembourgish] hexagon
- Sechsflächner (Noun) [German] hexahedron
- Sechsunddreissigeck (Noun) [German] Switzerland and Liechtenstein standard spelling of Sechsunddreißigeck.
- Sechsunddreißigeck (Noun) [German] triacontahexagon: a thirty-six-sided polygon, a polygon with 36 vertices
- Sechzehneck (Noun) [German] hexadecagon
- Sechzigeck (Noun) [German] hexacontagon
- Sehne (Noun) [German] chord, a straight line between two points of a curve.
- Seite (Noun) [German] side (a bounding straight edge of a two-dimensional shape)
- Seite (Noun) [German] face, side, surface of any three-dimensional object
- Sektor (Noun) [German] sector
- Si (Noun) [Limburgish] side (a bounding straight edge of a two-dimensional shape)
- Si (Noun) [Limburgish] face, side, surface of any three-dimensional object
- Siebeneck (Noun) [German] heptagon
- Siebenflächner (Noun) [German] heptahedron
- Siebenundzwanzigeck (Noun) [German] icosiheptagon
- Siebzehneck (Noun) [German] heptadecagon
- Siebzigeck (Noun) [German] heptacontagon
- Simplex (Noun) [German] a simplex (an analogue in any dimension of the triangle or tetrahedron)
- Simson line (Noun) [English] Given a triangle ABC and a point P on its circumcircle, the three closest points to P on lines AB, AC, and BC are collinear. The line through these points is the Simson line of P.
- Siweneck (Noun) [Luxembourgish] heptagon
- Smarandache function (Proper name) [English] A function, denoted by S(n) for some positive integer n, that yields the smallest number s such that n divides the factorial s!. For example, the number 8 does not divide 1!, 2!, 3!, but does divide 4!, so S(8) = 4.
- Spitz (Noun) [Hunsrik] point; cusp (sharp extremity)
- Star of Lakshmi (Proper name) [English] A special octagram, a regular compound polygon, represented by Schläfli symbol {8/2} or 2{4}, made from two congruent squares with the same center at 45° angles.
- Steiner point (Noun) [English] The point on the circumcircle of a triangle that lies at the intersection of three lines through the vertices of the triangle, where those lines are parallel to the corresponding sides of the first Brocard triangle.
- Steiner point (Noun) [English] The geometric centroid of the system obtained by placing a mass equal to the magnitude of the exterior angle at each vertex of the system.
- Steiner point (Noun) [English] Any of the 20 points located at the 3 by 3 intersections of the 60 Pascal lines which are produced by extending the triplets on opposite sides of a conic section in Pascal's theorem for all permutations of verices.
- Steinmetz solid (Noun) [English] The solid body generated by the intersection of two or three cylinders of equal radius at right angles.
- Stern (Noun) [German] a star, a mullet, or anything that resembles such an object
- Strahl (Noun) [German] ray, half-line
- Strecke (Noun) [German] line segment
- Sumihiro's theorem (Proper name) [English] A theorem stating that a normal algebraic variety with an action of a torus can be covered by torus-invariant affine open subsets.
- Sylvester-Gallai theorem (Proper name) [English] A theorem stating that, given a finite number of points in the Euclidean plane, either all the points lie on a single line, or there is at least one line which contains exactly two of the points.
- T-shaped (Adjective) [English] Having the shape of a capital T.
- TLI (Noun) [English] Initialism of trans-lunar injection.
- TMI (Noun) [English] Initialism of trimethylindium.
- TMI (Noun) [English] Initialism of transmarginal inhibition.
- TMI (Noun) [English] Initialism of Temperature, Magenta/Green levels, and Intensity.
- TMI (Noun) [English] Initialism of trans-Mars injection.
- TREE (Noun) [English] An extremely fast-growing function based on Kruskal's tree theorem.
- Tangente (Noun) [German] tangent
- Teichmüller space (Noun) [English] A space T(S) assigned to a (real) topological (or differential) surface S: it parameterizes complex structures on S up to the action of homeomorphisms that are isotopic to the identity homeomorphism.
- Tetraeder (Noun) [German] tetrahedron
- Thales's theorem (Proper name) [English] A theorem stating that if A, B, and C are distinct points on a circle where the line AC is a diameter, the angle ABC is a right angle.
- Thales's theorem (Proper name) [English] Synonym of intercept theorem
- Torus (Noun) [German] torus (shape)
- Trapez (Noun) [German] trapezium (UK), trapezoid (US)
- Trapez (Noun) [German] trapezoid (UK), trapezium (US)
- Triangel (Noun) [German] triangle, trigon
- Trojan asteroid (Noun) [English] by extension, any asteroid occupying a Trojan point
- Trojan moon (Noun) [English] A pseudo-moon that occupies a Trojan point of a system.
- Trojan planet (Noun) [English] a planet that occupies a Trojan point of a star system
- Trojan point (Noun) [English] the L4 and L5 Lagrange points of the Sun-Jupiter orbital configuration
- Trojan point (Noun) [English] by extension, any L4 and L5 Lagrange points
- Tschirnhausen cubic (Noun) [English] A plane curve defined, in its left-opening form, by the polar equation r=a sec ³(θ/3) where sec is the secant function.
- Turing computable function (Noun) [English] Any function whose value may be computed using a Turing machine.
- U-shaped (Adjective) [English] Shaped like the letter "U"; bent such that the two ends are parallel.
- U-shaped (Adjective) [English] Having a cross-section similar in appearance to a broad U.
- Umkugel (Noun) [German] circumsphere, circumscribed sphere

This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2024-08-01 from the enwiktionary dump dated 2024-07-20 using wiktextract (620cda3 and 6aeea9b). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.