[ad. mod.L. uranometria URANOMETRIA: see URANO-1 a and -METRY. Cf. F. (1776), uranométrie, Sp. and It. -metria.]
1. A work descriptive of the heavens and esp. the fixed stars, showing or recording their magnitudes, relative positions, etc.
1715. trans. Gregory’s Astron., I. 310. He says that Bayer, who, in his Uranometry, attempted the contrary, thoughtlesly inverted all the Stars.
1879. Newcomb & Holden, Astron., 435. The uranometries of … Heis and Gould give the lucid stars … laid down on maps.
1898. W. Peck, Observer’s Atlas, Pref. Thanks to the various modern Uranometries,… accurate maps of the star sphere can now be produced.
2. The measurement of the real or apparent distances of heavenly bodies.
1792. Sibly, Occult Sci., I. 53. Uranometry … is a science that points out the magnitude, measure, and motion of the heavens.
1849. Herschel, Outl. Astron., 71. The problems of uranometry … consist in the solution of a variety of spherical triangles.
1883. C. Pritchard, in Mem. R. Astron. Soc., XLVII. 367. The aims of these observers have not been especially directed to Uranometry.
