† paraboˈlaster Obs.
[f. parabola: see -aster.]
A parabola of a higher degree: = parabola b. paraboloid 1.
1656 Hobbes Six Lessons Wks. 1845 VII. 185, I have exhibited and demonstrated the proportion of the parabola and parabolasters to the parallelograms of the same height and base. 1656 tr. Hobbes' Elem. Philos. (1839) 233 The line, in which that body is moved, will be the crooked line of the first semi-parabolaster of two means, whose base is the impetus last acquired. 1670 Collins in Rigaud Corr. Sci. Men (1841) II. 199 A pure unaffected biquadratic parabolaster. |