a. [Cf. prec. and -ULAR.] Of motion: Vortical, vorticose.
1805. Philad. Repos., 16 Feb., 54/3. The new explanation of the motion of the planets,… the most masterly performance that has been written in defence of the tourbillons or vorticular system.
1838. Redfield, in Amer. Jrnl. Sci., XXXIII. 59. Were there no vorticular or whirling action already excited,… there could then be no inequality of pressure to produce rotation.
1864. De Penning, Meteorol., 65. This inward vorticular movement can only arise from the constant lateral pressure that is always maintained towards the partial vacuum of the vortex.
1891. W. M. Davis, in Atlantic Monthly, LXVIII. 68/2. They [sc. tornadoes] possess truly vorticular motion.
