alidade


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Related to alidade: telescopic alidade

al·i·dade

 (ăl′ĭ-dād′) also al·i·dad (-dăd′)
n.
1. An indicator or a sighting apparatus on a plane table, used in angular measurement.
2. A topographic surveying and mapping instrument used for determining directions, consisting of a telescope and attached parts.

[French, from Medieval Latin alidada, sighting rod, from Arabic al-'iḍāda, the revolving radius of a circle : al-, the + 'iḍāda, revolving radius (alternate form of 'aḍud, humerus, from 'aḍada, to lop, cut (trees); see ʕṣ́d in Semitic roots).]

alidade

(ˈælɪˌdeɪd) or

alidad

n
1. (Surveying) a surveying instrument used in plane-tabling for drawing lines of sight on a distant object and taking angular measurements
2. (Surveying) the upper rotatable part of a theodolite, including the telescope and its attachments
[C15: from French, from Medieval Latin allidada, from Arabic al-'idāda the revolving radius of a circle]

al•i•dade

(ˈæl ɪˌdeɪd)

n.
1. a straightedge with a telescopic sight, used on a plane table for topographic surveying.
2. the entire upper part of a theodolite or transit.
[1400–50; late Middle English allydatha < Old Spanish alhidada < Medieval Latin < Arabic al-‘iḍādah the turning radius (like a clock hand) of a circle]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alidade - surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachmentsalidade - surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
surveying instrument, surveyor's instrument - an instrument used by surveyors
theodolite, transit - a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
2.alidade - surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring anglesalidade - surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
surveying instrument, surveyor's instrument - an instrument used by surveyors
Translations
References in periodicals archive ?
Entities related to Minneapolis investor Ashish Aggarwal have acquired two office properties from entities related to Bloomfield Hills, Michigan-based Alidade Capital in a pair of deals totaling $10.5 million.
Cares and Alidade Incorporated, "An information age combat model," in 9th International Command and Control Research and Technology Symposium, pp.
Various technologies were used to update the terrain drawing: in Klaipeda region, horizontals and heights of the same scale of the German map were transferred, the contents (terrain) of old maps were used on the maps of the mid- and south Lithuanian borders, combined topographic image using photo plans and measurements with the telescopic sighting alidade, and the topographic drawing board was used entirely for part of the current Lithuanian territory in 1949-1950.
And to RANTITO Dairies, he said; 'the company, having gone through rigorous test requirements in SON Laboratory and inspection, the governing Council of SON deemed it fit and thereby rev alidade the NIS certificates already won by the company.
No Brasil pouco se conhece sobre o Punhobol, uma mod alidade esportiva que se assemelha ao voleibol e ao handebol.
Informacoes e inscricoes em: www.generoesexu alidade.com.br.
Aledade--a play on alidade, the part of an astrolabe navigation tool that points toward the North Star--raised $4.5 million in venture capital on the day it launched in June.
Of course, the plane table required an open-sight alidade and stadia rods.
The copper alidade's fiducial edge is again formed by removing half of it outward of two-thirds of its length from its axis.