a. [f. as prec. + -IC.] Of or pertaining to the Danish astronomer Tycho Brahe (died 1601), or to his system of astronomy.
1670. Flamsteed, in Rigaud, Corr. Sci. Men (1841), II. 97. I had first notice of this stars varying from the Tychonic canon.
1678. Cudworth, Intell. Syst., Pref. 3. The other (vulgarly so called) systems of the world the Ptolemaick, Tychonick, and Copernican.
1715. trans. Gregorys Astron. (1726), I. 187. The same Forces that are required in the Semi-Tychonic System, are required also in the Tychonic, since the same Motion of the Sun and Planets are supposed in both.
1870. R. A. Proctor, in Eng. Mech., 4 March, 598/3. His ellipses were as available for the Tychonic system as for the Copernican.