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rotation the act of turning on or around an axis. [4 definitions]
rotation of crops a system planting different crops in a fixed, repeated order in the same field so that each successive crop restores soil nutrients that were absorbed by the previous one.
rotative of or characterized by rotation; rotating. [2 definitions]
rotator one that rotates. [2 definitions]
rotator cuff a group of muscles that cover the shoulder joint and control shoulder rotation.
rotatory of, pertaining to, producing, or characterized by rotation; rotary; rotating. [2 definitions]
rotavirus any of a genus (Rotavirus) of double-stranded RNA viruses causing a low-grade fever, nausea, vomiting, and diarrhea, esp. in infants and young children.
ROTC abbreviation of "Reserve Officers' Training Corps."
rote unthinking or mechanical routine or habit. [3 definitions]
rotenone a white, odorless, poisonous, crystalline compound obtained from the roots of derris and cube plants and used in insecticides and treatments for chiggers and scabies.
rotifer any of a group of mostly freshwater, microscopic, multicellular organisms that have one or more wheel-like rings of cilia at the front end which appear to rotate when vibrated.
rotisserie a broiler with a rotating spit, usu. driven by an electric motor. [2 definitions]
rotl in Mediterranean and esp. Muslim countries, a unit of weight, varying from about one to five pounds.
roto rotogravure.
rotogravure a printing process in which images or letters etched on a copper cylinder are transferred to paper or a similar surface in a rotary press. [2 definitions]
rotor the rotating part of a machine, usu. within a stationary part or housing. [2 definitions]
Rototiller trademark for a small motor-driven cultivator having rotary blades, used esp. in home vegetable gardens. [2 definitions]
rotten in the process of rotting or the state of being rotted; decaying or decayed. [5 definitions]
rotten borough any district having more representatives in government than its population warrants.
Rottweiler (sometimes l.c.) any of a breed of strong German dog having short black hair and tan markings.
rotund round or full in shape; plump; stout. [2 definitions]