a. [f. L. altitūdin-em (see prec.) + -AL 1.] Relating to height, or to degree of elevation above the surface of the earth, the horizon, or the sea-level. Hence Altitudinally.

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1778.  Hutton, in Phil. Trans., LXVIII. 716. The altitudinal difference between the two given points.

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1861.  H. Macmillan, Footn. Page Nat., 8. The immense altitudinal range of these plants.

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1883.  Tromholt, in Nature, XXVII. 395/1. Altitudinal measurements … for fixing the parallax of the aurora borealis.

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1894.  Coconino Weekly Sun, 25 Oct., 2/3. People who, altitudinally speaking, live next door to Heaven, as we do here in the picturesque little skylight city, usually get a glimpse of Old Winter’s face before those who dwell in the cold regions of the north and east are favored with a view.

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