nonagésima 101
ninetieth , ma . ( Of the lat. )( nonagesimus ). 1. adj. That follows immediately in order or in the eightieth nono. 2. adj. He said each of the 90 equal parts which divides a whole. U t. c. s. ninetieth of the ecliptic. 1. m. Astr. Point of it that is far from 90 degrees of the other that cuts to the horizon.