- dilations
- di'laÂ·tion || -eÉªÊƒn n. broadening, widening; expansion

*English contemporary dictionary.
2014.*

- dilations
- di'laÂ·tion || -eÉªÊƒn n. broadening, widening; expansion

*English contemporary dictionary.
2014.*

**Mathematical morphology**— A shape (in blue) and its morphological dilation (in green) and erosion (in yellow) by a diamond shape structuring element. Mathematical morphology (MM) is a theory and technique for the analysis and processing of geometrical structures, based on … Wikipedia**Fundic gland polyposis**— is a medical syndrome where the fundus of the stomach develops many polyps. The condition has been described both in patients with polyposis conditions of the colon (including familial adenomatous polyposis), and in patients in whom it occurs… … Wikipedia**Riemann sphere**— The Riemann sphere can be visualized as the complex number plane wrapped around a sphere (by some form of stereographic projection – details are given below). In mathematics, the Riemann sphere (or extended complex plane), named after the 19th… … Wikipedia**Inversive geometry**— Not to be confused with Inversive ring geometry. In geometry, inversive geometry is the study of those properties of figures that are preserved by a generalization of a type of transformation of the Euclidean plane, called inversion. These… … Wikipedia**Ambient construction**— In conformal geometry, the ambient construction refers to a construction of Charles Fefferman and Robin Graham [Fefferman, C. and Graham, R. Conformal invariants , in Élie Cartan et les Mathématiques d Aujourdui , Asterisque (1985), 95 116.] for… … Wikipedia**Sz.-Nagy's dilation theorem**— The Sz. Nagy dilation theorem (proved by Béla Szőkefalvi Nagy) states that every contraction T on a Hilbert space H has a unitary dilation U to a Hilbert space K , containing H , with:T^n = P H U^n vert HMoreover, such a dilation is unique (up to … Wikipedia**heteropteran**— ▪ insect order Introduction any member of the insect order Heteroptera, which comprises the so called true bugs. (Some authorities use the name Hemiptera; others consider both the heteropterans and the homopterans to be suborders of the… … Universalium**Ampulla**— Am*pul la, n.; pl. {Ampull[ae]}. [L. ] 1. (Rom. Antiq.) A narrow necked vessel having two handles and bellying out like a jug. [1913 Webster] 2. (Eccl.) (a) A cruet for the wine and water at Mass. (b) The vase in which the holy oil for chrism,… … The Collaborative International Dictionary of English**Ampullae**— Ampulla Am*pul la, n.; pl. {Ampull[ae]}. [L. ] 1. (Rom. Antiq.) A narrow necked vessel having two handles and bellying out like a jug. [1913 Webster] 2. (Eccl.) (a) A cruet for the wine and water at Mass. (b) The vase in which the holy oil for… … The Collaborative International Dictionary of English**Spinor**— In mathematics and physics, in particular in the theory of the orthogonal groups (such as the rotation or the Lorentz groups), spinors are elements of a complex vector space introduced to expand the notion of spatial vector. Unlike tensors, the… … Wikipedia