- angle sextant
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English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
sextant — [ sɛkstɑ̃ ] n. m. • 1639; lat. sc. sextans (1602), proprt « sixième » ♦ Astron., mar. Instrument composé d un miroir tournant et d un sixième de cercle gradué, permettant de mesurer la distance angulaire d un astre avec l horizon. Faire le point… … Encyclopédie Universelle
Sextant — Pour les articles homonymes, voir Sextant (homonymie). Un sextant. Un sextant est un instrument de navigation à réflexion servant à mesurer la distance angulaire entre deux points aussi bien verticalement qu h … Wikipédia en Français
Sextant — This article is about the sextant as used for navigation. For the astronomer s sextant, see Sextant (astronomical). : For the history and development of the sextant see Reflecting instruments A sextant is an instrument generally used to measure… … Wikipedia
Sextant (astronomical) — This article is about the Sextant as used for astrometry. For the navigator s sextant, see Sextant . Sextants for astronomical observations were used primarily for measuring the positions of stars. They are little used today, having been replaced … Wikipedia
sextant — /sek steuhnt/, n. 1. an astronomical instrument used to determine latitude and longitude at sea by measuring angular distances, esp. the altitudes of sun, moon, and stars. 2. (cap.) Astron. the constellation Sextans. [1590 1600; < L sextant (s.… … Universalium
Sextant Bris — Un mini sextant Bris. Le sextant Bris est un instrument de navigation créé par un inventeur et navigateur suédois Sven Yrvind. Malgré son nom, ce n est pas tout à fait un sextant mais un petit et peu coûteux dispositif de mesure des angles qui… … Wikipédia en Français
sextant — [17] A sextant is etymologically an instrument based on a ‘sixth’ of a circle. Sextants measure off the angle between the horizon and a celestial body on a graduated scale that is marked on an arc equal to one sixth of a circle. They were first… … The Hutchinson dictionary of word origins
sextant — [17] A sextant is etymologically an instrument based on a ‘sixth’ of a circle. Sextants measure off the angle between the horizon and a celestial body on a graduated scale that is marked on an arc equal to one sixth of a circle. They were first… … Word origins
sextant — noun a) A navigational device for deriving angular distances between objects so as to determine latitude and longitude. For several days things went along in about the same course. I took our position every morning with my crude sextant; but the… … Wiktionary
sextant altitude — The altitude of a celestial body as measured by a sextant. It is the angle measured in a vertical plane between an artificial or sea horizon and a celestial body, without application of any corrections … Aviation dictionary
Bris sextant — The Bris sextant (pronEng|bɹiːs) is not a sextant proper, but is a small, inexpensive, angle measuring device that can be used for navigation.Sven Yrvind (Lundin) developed his Bris sextant as part of his quest for low cost, low technology… … Wikipedia