azimuthal — azimuth ► NOUN Astronomy ▪ the horizontal direction of a celestial object, measured from the north or south point of the horizon. DERIVATIVES azimuthal adjective. ORIGIN Arabic, the way, direction … English terms dictionary
azimuthal — adjective a) Of or pertaining to the azimuth; in a horizontal circle. b) Describing a map projection which preserves direction for all points relative to a selected point (or in some cases two points) … Wiktionary
Lambert azimuthal equal-area projection — The Lambert azimuthal equal area projection is a particular mapping from a sphere to a disk. It accurately represents area in all regions of the sphere, but it does not accurately represent angles. Intuitively, it gives a planar picture of the… … Wikipedia
Time projection chamber — In physics, a Time Projection Chamber is a particle detector invented by David R. Nygren at Lawrence Berkeley Laboratory.cite web|url = http://www.er.doe.gov/Lawrence/html/Laureates/1980s/davidr.htm|title = The Ernest Orlando Lawrence Award: 1980 … Wikipedia
Centrifugal force (rotating reference frame) — This article is about the fictitious force related to rotating reference frames. For other uses, see Centrifugal force. Classical mechanics … Wikipedia
azimuth — azimuthal /az euh muth euhl/, adj. azimuthally, adv. /az euh meuhth/, n. 1. Astron., Navig. the arc of the horizon measured clockwise from the south point, in astronomy, or from the north point, in navigation, to the point where a vertical circle … Universalium
Map projection — A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy s Geography and using his second map projection A map projection is any method of representing the surface of a sphere or other … Wikipedia
Classical central-force problem — In classical mechanics, the central force problem is to determine the motion of a particle under the influence of a single central force. A central force is a force that points from the particle directly towards (or directly away from) a fixed… … Wikipedia
geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… … Universalium
Pinch (plasma physics) — For other uses, see Pinch (disambiguation). Lightning bolts illustrating electromagnetically pinched plasma filaments … Wikipedia
map — mappable, adj. mapper, n. /map/, n., v., mapped, mapping. n. 1. a representation, usually on a flat surface, as of the features of an area of the earth or a portion of the heavens, showing them in their respective forms, sizes, and relationships… … Universalium