- spiral angles
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English-Bulgarian polytechnical dictionary . 2013.
spiral angles
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Spiral axis — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… … The Collaborative International Dictionary of English
Logarithmic spiral — A logarithmic spiral, equiangular spiral or growth spiral is a special kind of spiral curve which often appears in nature. The logarithmic spiral was first described by Descartes and later extensively investigated by Jakob Bernoulli, who called… … Wikipedia
Euler spiral — A double end Euler spiral. An Euler spiral is a curve whose curvature changes linearly with its curve length (the curvature of a circular curve is equal to the reciprocal of the radius). Euler spirals are also commonly referred to as spiros,… … Wikipedia
Ulam spiral — The Ulam spiral to 150 iterations. Red dots represent prime numbers; blue dots represent composite numbers, with the size of the dot indicating the degree of compositeness. The Ulam spiral, or prime spiral (in other languages also called the Ulam … Wikipedia
Graveyard spiral — In aviation, a graveyard spiral is a dangerous spiral dive entered into accidentally by a pilot who is not trained or not proficient in instrument flight when flying in instrument meteorological conditions (IMC). [1] … Wikipedia
Equiangular spiral — Equiangular E qui*an gu*lar, a. [Equi + angular. Cf. {Equangular}.] Having equal angles; as, an equiangular figure; a square is equiangular. [1913 Webster] {Equiangular spiral}. (Math.) See under {Spiral}, n. {Mutually equiangular}, applied to… … The Collaborative International Dictionary of English
Ekman spiral — The Ekman spiral refers to a structure of currents or winds near a horizontal boundary in which the flow direction rotates as one moves away from the boundary. It derives its name from the Swedish oceanographer Vagn Ekman. The deflection of… … Wikipedia
Padovan cuboid spiral — In mathematics the Padovan cuboid spiral is the spiral created by joining the diagonals of faces of successive cuboids added to a unit cube. The cuboids are added sequentially so that the resulting cuboid has dimensions that are successive… … Wikipedia
Logarithmic spiral — Logarithmic Log a*rith mic, Logarithmical Log a*rith mic*al, a. [Cf. F. logarithmique.] 1. Of or pertaining to logarithms; consisting of logarithms. [1913 Webster] 2. Using logarithms; as, logarithmic graph paper; a logarithmic scale. [PJC] 3.… … The Collaborative International Dictionary of English
Parabolic spiral — Parabolic Par a*bol ic, Parabolical Par a*bol ic*al, a. [Gr. paraboliko s figurative: cf. F. parabolique. See {Parable}.] [1913 Webster] 1. Of the nature of a parable; expressed by a parable or figure; allegorical; as, parabolical instruction.… … The Collaborative International Dictionary of English
List of gear nomenclature — Gears have a wide range of unique terminology known as gear nomenclature. Many of the terms defined cite the same reference work.[1] Contents 1 Addendum 2 Addendum angle 3 Addendum circle … Wikipedia
