Fiducial line
Fiducial Fi*du"cial, a. [L. fiducia trust, confidence; akin to fides faith. See {Faith}.] 1. Having faith or trust; confident; undoubting; firm. ``Fiducial reliance on the promises of God.'' --Hammond. [1913 Webster]

2. Having the nature of a trust; fiduciary; as, fiducial power. --Spelman. [1913 Webster]

{Fiducial edge} (Astron. & Surv.), the straight edge of the alidade or ruler along which a straight line is to be drawn.

{Fiducial line} or {Fiducial point} (Math. & Physics.), a line or point of reference, as for setting a graduated circle or scale used for measurments. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Fiducial — Fi*du cial, a. [L. fiducia trust, confidence; akin to fides faith. See {Faith}.] 1. Having faith or trust; confident; undoubting; firm. Fiducial reliance on the promises of God. Hammond. [1913 Webster] 2. Having the nature of a trust; fiduciary;… …   The Collaborative International Dictionary of English

  • Fiducial edge — Fiducial Fi*du cial, a. [L. fiducia trust, confidence; akin to fides faith. See {Faith}.] 1. Having faith or trust; confident; undoubting; firm. Fiducial reliance on the promises of God. Hammond. [1913 Webster] 2. Having the nature of a trust;… …   The Collaborative International Dictionary of English

  • Fiducial point — Fiducial Fi*du cial, a. [L. fiducia trust, confidence; akin to fides faith. See {Faith}.] 1. Having faith or trust; confident; undoubting; firm. Fiducial reliance on the promises of God. Hammond. [1913 Webster] 2. Having the nature of a trust;… …   The Collaborative International Dictionary of English

  • Fiducial — * In law the term fiducial means of or pertaining to a fiduciary .* In imaging technology, a fiduciary marker or fiducial is an object used in the field of view of an imaging system which appears in the image produced, for use as a point of… …   Wikipedia

  • fiducial axis — The line joining opposite fiducial marks on a photograph. A fiducial mark is any marker built into an aerial camera that registers its image on an aerial photograph as a fixed reference mark. The image cast on a photograph by such a marker is… …   Aviation dictionary

  • fiducial — [fɪ dju:ʃ(ə)l] adjective technical (of a point or line) assumed as a fixed basis of comparison. Origin C16: from late L. fiducialis, from fiducia trust …   English new terms dictionary

  • fiducial — adj. Surveying, Astron. , etc. (of a line, point, etc.) assumed as a fixed basis of comparison. Etymology: LL fiducialis f. fiducia trust f. fidere to trust …   Useful english dictionary

  • Alidade — An alidade (archaic forms include alhidade, alhidad, alidad) is a device that allows one to sight a distant object and use the line of sight to perform a task. This task can be, for example, to draw a line on a plane table in the direction of the …   Wikipedia

  • Cyberknife — The CyberKnife is a frameless robotic radiosurgery system used for treating benign tumors, malignant tumors and other medical conditions.[1][2] The system was invented by John R. Adler, a Stanford University Professor of Neurosurgery and… …   Wikipedia

  • Software tools for molecular microscopy — There are a large number of software tools or software applications that have been specifically developed for the field sometimes referred to as molecular microscopy or cryo electron microscopy or cryoEM. Several special issues of the Journal of… …   Wikipedia

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