angle of elevation

1 definition found

angle of elevation - Collaborative International Dictionary of English v.0.48 :

  Elevation \El`e*va"tion\, n. [L. elevatio: cf. F.
     ['e]l['e]vation.]
     1. The act of raising from a lower place, condition, or
        quality to a higher; -- said of material things, persons,
        the mind, the voice, etc.; as, the elevation of grain;
        elevation to a throne; elevation of mind, thoughts, or
        character.
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     2. Condition of being elevated; height; exaltation. "Degrees
        of elevation above us." --Locke.
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              His style . . . wanted a little elevation. --Sir H.
                                                    Wotton.
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     3. That which is raised up or elevated; an elevated place or
        station; as, an elevation of the ground; a hill.
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     4. (Astron.) The distance of a celestial object above the
        horizon, or the arc of a vertical circle intercepted
        between it and the horizon; altitude; as, the elevation of
        the pole, or of a star.
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     5. (Dialing) The angle which the style makes with the
        substylar line.
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     6. (Gunnery) The movement of the axis of a piece in a
        vertical plane; also, the angle of elevation, that is, the
        angle between the axis of the piece and the line o? sight;
        -- distinguished from direction.
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     7. (Drawing) A geometrical projection of a building, or other
        object, on a plane perpendicular to the horizon;
        orthographic projection on a vertical plane; -- called by
        the ancients the orthography.
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     Angle of elevation (Geodesy), the angle which an ascending
        line makes with a horizontal plane.
  
     Elevation of the host (R. C. Ch.), that part of the Mass in
        which the priest raises the host above his head for the
        people to adore.
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