dictionar englez roman

Principal plane


1 dicționar găsit pentru principal plane
Din dicționarul The Collaborative International Dictionary of English v.0.48 :

  Principal \Prin"ci*pal\, a. [F., from L. principalis. See
     Prince.]
     1. Highest in rank, authority, character, importance, or
        degree; most considerable or important; chief; main; as,
        the principal officers of a Government; the principal men
        of a state; the principal productions of a country; the
        principal arguments in a case.
        [1913 Webster]
  
              Wisdom is the principal thing.        --Prov. iv. 7.
        [1913 Webster]
  
     2. Of or pertaining to a prince; princely. [A Latinism]
        [Obs.] --Spenser.
        [1913 Webster]
  
     Principal axis. See Axis of a curve, under Axis.
  
     Principal axes of a quadric (Geom.), three lines in which
        the principal planes of the solid intersect two and two,
        as in an ellipsoid.
  
     Principal challenge. (Law) See under Challenge.
  
     Principal plane. See Plane of projection
        (a), under Plane.
  
     Principal of a quadric (Geom.), three planes each of which
        is at right angles to the other two, and bisects all
        chords of the quadric perpendicular to the plane, as in an
        ellipsoid.
  
     Principal point (Persp.), the projection of the point of
        sight upon the plane of projection.
  
     Principal ray (Persp.), the line drawn through the point of
        sight perpendicular to the perspective plane.
  
     Principal section (Crystallog.), a plane passing through
        the optical axis of a crystal.
        [1913 Webster]

Caută Principal plane cu Omnilexica

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