| rosy finch |
any of several related finches, found in western North America and eastern Asia, that have rose-colored tinting on the wings, rump, tail, or the like. |
| rot |
to decompose or decay, as organic matter. [12 definitions] |
| rotameter |
an instrument that measures the rate of flow of a liquid by means of a movable float encased in a vertical tube. |
| rotary |
turning or able to turn on an axis; rotating. [4 definitions] |
| Rotary Club |
a local unit of an international men's service organization. |
| rotary engine |
an engine in which rotation is produced by supplying power directly to the rotary parts, such as a turbine. [2 definitions] |
| rotary press |
a printing press with the type mounted on plates on a rotating cylinder, fed by a continuous roll of paper. |
| rotary-wing aircraft |
an aircraft such as a helicopter that is supported by an airfoil that rotates around a vertical axis. |
| rotate |
to cause to revolve around an axis. [5 definitions] |
| rotation |
the action of turning on or around an axis. [5 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] |