Glossary · Nouns · R
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TermTypeDefinitionClassificationsUpdated
Rodentnounrelatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawingverified
Roentgen RaynounMWEelectromagnetic radiation of short wavelength produced when high-speed electrons strike a solid targetverified
Roentgenoscopenounan X-ray machine that combines an X-ray source and a fluorescent screen to enable direct observationverified
Rofecoxibnouna Cox-2 inhibitor (trade name Vioxx) that relieves pain and inflammation without harming the digestive tractverified
Roinoun(corporate finance) the amount, expressed as a percentage, that is earned on a company's total capital calculated by dividing the total capital into earnings before interest, taxes, or dividends are paidverified
rolenounA group attribute that ties membership to function. When an entity assumes a role, the entity is given certain rights that belong to that role. When the entity leaves the role, those rights are removed. The rights given are consistent with the functionality that the entity needs to perform the expected tasks.Role
Role Based Access ControlnounMWERole based access control assigns users to roles based on their organizational functions and determines authorization based on those roles.Control
roles and responsibilitiesnounMWEThe position and collection of tasks, duties, obligations that participants undertake to complete a project.Requirement
Roll-Onnouna dispenser of a liquid cosmetic (such as a deodorant) having a revolving ball as an applicatorverified
Roll-On Roll-OffnounMWEa method of transport (as a ferry or train or plane) that vehicles roll onto at the beginning and roll off of at the destinationverified
Rollernouna mechanical device consisting of a cylindrical tube around which the hair is wound to curl itverified
Roller BandagenounMWEbandage consisting of a strip of sterile fabric (of variable width) rolled into a cylinder to facilitate applicationverified
Roller CoasternounMWEelevated railway in an amusement park (usually with sharp curves and steep inclines)verified
Rolling PapernounMWEa strong tissue paper that burns evenly and is sufficiently porous to control the burning of the tobacco in a cigaretteverified
Rolling PinnounMWEutensil consisting of a cylinder (usually of wood) with a handle at each endverified
Roly-Poly PuddingnounMWEpudding made of suet pastry spread with jam or fruit and rolled up and baked or steamedverified
Romaine LettucenounMWElettuce with long dark-green leaves in a loosely packed elongated headverified
Roman a ClefnounMWEa novel in which actual persons and events are disguised as fictional charactersverified
Roman FleuvenounMWEa French novel in the form of a long chronicle of a family or other social groupverified
Roof of the MouthnounMWEthe upper surface of the mouth that separates the oral and nasal cavitiesverified