rotational period

(organic chemistry) Any of a class of hydrocarbons consisting of spiro-linked cyclopropane units only, but with a common [n]membered ring in the middle; they are named n-rotanes depending on the size of the inner ring

(agriculture) A farming practice in which the same land is used to grow different crops in successive seasons or years (when once the land would have been left fallow); used to prevent erosion and increase fertility.

(physics) A device used to measure fluid flow, in which a float rises in a tapered vertical tube to a height dependent on the rate of flow through the tube

plural of rotane

A printing press that uses cylinders for carrying ink onto the printed surface, used in flexography, gravure and offset printing.

plural of rotary engine

(chemistry) Of or pertaining to rotamers

(physics) The rotation of the plane of polarization of plane polarized light as it passes through a chiral medium

plural of rotary phone