Found 1 items, similar to Fiducial line.
English → English (gcide) Definition: 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]