plane of symmetry
111Meso compound — A meso compound or meso isomer is a non optically active member of a set of stereoisomers, at least two of which are optically active.[1][2] This means that despite containing two or more stereocenters (chiral centers) it is not chiral. A meso… …
112Dickite — General Category Phyllosilicate Chemical formula Al2Si2O5(OH)4 Strunz classification 09.ED.05 Dana classification …
113Fischer projection formula — a type of projection formula used to depict chirality, particularly for monosaccharides; in reference to the plane of symmetry defined by the central carbon chain, horizontal lines are drawn to depict substituents falling in front of the plane,… …
114Mughal architecture — Taj Mahal at Agra, the epitome of Mughal Architecture Mughal architecture, an amalgam of Islamic, Persian[1][2], Turkish an …
115Asterales — ▪ plant order Introduction daisy order of flowering plants, containing 11 families and some 26,000 species. The major families are Asteraceae and Campanulaceae (including Lobeliaceae), with far fewer species in the remaining families of… …
116dihexagonal-dipyramidal — adjective : of or characterized by the symmetry of the class of crystals in the hexagonal system having a vertical hexad axis, six horizontal diad axes, six vertical planes, and a horizontal plane of symmetry …
117dipyramid — (ˈ)dī+ noun Etymology: di + pyramid : a crystal consisting of two pyramids base to base, the one geometrically a mirror image of the other with respect to the horizontal plane of symmetry dipyramids occur in the tetragonal, hexagonal, and… …
118Heliospheric current sheet — The heliospheric current sheet (HCS) is the surface within the Solar System where the polarity of the Sun s magnetic field changes from north to south. This field extends throughout the Sun s equatorial plane in the heliosphere. [ [http://science …
119Bifrustum — An n agonal bifrustum is a polyhedron composed of three parallel planes of n agons, with the middle plane largest and usually the top and bottom congruent.It can be constructed as two congruent frustum combined across a plane of symmetry, and… …
120Gyro monorail — The gyro monorail, gyroscopic monorail, gyro stabilized monorail, or gyrocar all denote a single rail land vehicle, road or rail, which uses the gyroscopic action of a spinning wheel, which is forced to precess, to overcome the inherent inverted… …
