[ad. L. turbinātiōn-em a pointing in the form of a cone, f. turbināt-us TURBINATE a.: see -ATION.]
1. † The action of making top-shaped (obs.); top-like or turbinate form; formation of a whorl.
1623. Cockeram, Turbination, the fashioning of a thing like a top or gigge.
1656. in Blount, Glossogr.
1834. H. M’Murtrie, Cuvier’s Anim. Kingd., 257. Their shells are very open,… most of them without the slightest turbination.
† 2. The action of spinning or whirling round like a top. Obs.
1665. Hooke, Microgr., lx. 246. Then certainly the turbination cannot be the cause of the attraction of the Earth.
a. 1680. Allestree, Serm., Matt. xi. 28 (1684), II. 124. They have a most perfect acquiescency in that their turbination.
