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2 definitions found
 for Right pyramid
From The Collaborative International Dictionary of English v.0.48 :

  Pyramid \Pyr"a*mid\, n. [L. pyramis, -idis, fr. Gr. ?, ?, of
     Egyptian origin: cf. F. pyramide.]
     [1913 Webster]
     1. A solid body standing on a triangular, square, or
        polygonal base, and terminating in a point at the top;
        especially, a structure or edifice of this shape.
        [1913 Webster]
  
     2. (Geom.) A solid figure contained by a plane rectilineal
        figure as base and several triangles which have a common
        vertex and whose bases are sides of the base.
        [1913 Webster]
  
     3. pl. (Billiards) The game of pool in which the balls are
        placed in the form of a triangle at spot. [Eng.]
        [1913 Webster]
  
     4. (Finance) a fraudulent investment scheme in which the
        manager promises high profits, but instead of investing
        the money in a genuine profit-making activity, uses the
        money from later investors to pay the profits to earlier
        investors; -- also called pyramid scheme or pyramid
        operation. This process inevitably collapses when
        insufficient new investors are available, leaving the
        later investors with total or near-total losses of their
        investments. The managers usually blame government
        regulations or interference for the collapse of the
        scheme, rather than admit fraud.
        [PJC]
  
     Altitude of a pyramid (Geom.), the perpendicular distance
        from the vertex to the plane of the base.
  
     Axis of a pyramid (Geom.), a straight line drawn from the
        vertex to the center of the base.
  
     Earth pyramid. (Geol.) See Earth pillars, under Earth.
        
  
     Right pyramid (Geom.) a pyramid whose axis is perpendicular
        to the base.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Right \Right\ (r[imac]t), a. [OE. right, riht, AS. riht; akin to
     D. regt, OS. & OHG. reht, G. recht, Dan. ret, Sw. r[aum]tt,
     Icel. rettr, Goth. ra['i]hts, L. rectus, p. p. of regere to
     guide, rule; cf. Skr. [.r]ju straight, right. [root]115. Cf.
     Adroit,{Alert">Adroit,{Alert, Correct, Dress, Regular, Rector,
     Recto, Rectum, Regent, Region, Realm, Rich,
     Royal, Rule.]
     1. Straight; direct; not crooked; as, a right line. "Right as
        any line." --Chaucer
        [1913 Webster]
  
     2. Upright; erect from a base; having an upright axis; not
        oblique; as, right ascension; a right pyramid or cone.
        [1913 Webster]
  
     3. Conformed to the constitution of man and the will of God,
        or to justice and equity; not deviating from the true and
        just; according with truth and duty; just; true.
        [1913 Webster]
  
              That which is conformable to the Supreme Rule is
              absolutely right, and is called right simply without
              relation to a special end.            --Whately.
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     2. Fit; suitable; proper; correct; becoming; as, the right
        man in the right place; the right way from London to
        Oxford.
        [1913 Webster]
  
     5. Characterized by reality or genuineness; real; actual; not
        spurious. "His right wife." --Chaucer.
        [1913 Webster]
  
              In this battle, . . . the Britons never more plainly
              manifested themselves to be right barbarians.
                                                    --Milton.
        [1913 Webster]
  
     6. According with truth; passing a true judgment; conforming
        to fact or intent; not mistaken or wrong; not erroneous;
        correct; as, this is the right faith.
        [1913 Webster]
  
              You are right, Justice, and you weigh this well.
                                                    --Shak.
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              If there be no prospect beyond the grave, the
              inference is . . . right, "Let us eat and drink, for
              to-morrow we die."                    --Locke.
        [1913 Webster]
  
     7. Most favorable or convenient; fortunate.
        [1913 Webster]
  
              The lady has been disappointed on the right side.
                                                    --Spectator.
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     8. Of or pertaining to that side of the body in man on which
        the muscular action is usually stronger than on the other
        side; -- opposed to left when used in reference to a part
        of the body; as, the right side, hand, arm. Also applied
        to the corresponding side of the lower animals.
        [1913 Webster]
  
              Became the sovereign's favorite, his right hand.
                                                    --Longfellow.
        [1913 Webster]
  
     Note: In designating the banks of a river, right and left are
           used always with reference to the position of one who
           is facing in the direction of the current's flow.
           [1913 Webster]
  
     9. Well placed, disposed, or adjusted; orderly; well
        regulated; correctly done.
        [1913 Webster]
  
     10. Designed to be placed or worn outward; as, the right side
         of a piece of cloth.
         [1913 Webster]
  
     At right angles, so as to form a right angle or right
        angles, as when one line crosses another perpendicularly.
        
  
     Right and left, in both or all directions. [Colloq.]
  
     Right and left coupling (Pipe fitting), a coupling the
        opposite ends of which are tapped for a right-handed screw
        and a left-handed screw, respectivelly.
  
     Right angle.
         (a) The angle formed by one line meeting another
             perpendicularly, as the angles ABD, DBC.
         (b) (Spherics) A spherical angle included between the
             axes of two great circles whose planes are
             perpendicular to each other.
  
     Right ascension. See under Ascension.
  
     Right Center (Politics), those members belonging to the
        Center in a legislative assembly who have sympathies with
        the Right on political questions. See Center, n., 5.
  
     Right cone, Right cylinder, Right prism, Right
     pyramid (Geom.), a cone, cylinder, prism, or pyramid, the
        axis of which is perpendicular to the base.
  
     Right line. See under Line.
  
     Right sailing (Naut.), sailing on one of the four cardinal
        points, so as to alter a ship's latitude or its longitude,
        but not both. --Ham. Nav. Encyc.
  
     Right sphere (Astron. & Geol.), a sphere in such a position
        that the equator cuts the horizon at right angles; in
        spherical projections, that position of the sphere in
        which the primitive plane coincides with the plane of the
        equator.
        [1913 Webster]
  
     Note: Right is used elliptically for it is right, what you
           say is right, true.
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                 "Right," cries his lordship.       --Pope.
           [1913 Webster]
  
     Syn: Straight; direct; perpendicular; upright; lawful;
          rightful; true; correct; just; equitable; proper;
          suitable; becoming.
          [1913 Webster]

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