Glossary · Nouns · R
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TermTypeDefinitionClassificationsUpdated
Ray FloretnounMWEsmall flower with a flat strap-shaped corolla usually occupying the peripheral rings of a composite flowerverified
Ray FlowernounMWEsmall flower with a flat strap-shaped corolla usually occupying the peripheral rings of a composite flowerverified
Rayless ChamomilenounMWEannual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowersverified
Razor FishnounMWEany of several small wrasses with compressed sharp-edged heads of the West Indies and Mediterraneanverified
Razor-Billed AuknounMWEblack-and-white northern Atlantic auk having a compressed sharp-edged billverified
Re-Afforestationnounthe restoration (replanting) of a forest that had been reduced by fire or cuttingverified
Reabsorptionnounthe organic process in which the substance of some differentiated structure that has been produced by the body undergoes lysis and assimilationverified
Reacquired StocknounMWEstock that has been bought back by the issuing corporation and is available for retirement or resaleverified
Reactancenounopposition to the flow of electric current resulting from inductance and capacitance (rather than resistance)verified
Reactionnoun(mechanics) the equal and opposite force that is produced when any force is applied to a bodyverified
Reaction EnginenounMWEa jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed streamverified
Reaction FormationnounMWEin psychiatry, a defense mechanism in which a person unconsciously develops attitudes and behavior that are the opposite of unacceptable repressed desires and impulses and serve to conceal themverified
Reaction PropulsionnounMWEpropulsion that results from the ejection at high velocity of a mass of gas to which the vehicle reacts with an equal and opposite momentumverified
Reaction TurbinenounMWEa turbine with blades arranged to develop torque from gradual decrease of steam pressure from inlet to exhaustverified
Reaction-Propulsion EnginenounMWEa jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed streamverified
Reactive DepressionnounMWEan inappropriate state of depression that is precipitated by events in the person's life (to be distinguished from normal grief)verified
Reactornoun(physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elementsverified
ReadnounFundamental operation in an information system that results only in the flow of information from an object to a subject.Capability
Read-Only MemorynounMWE(computer science) memory whose contents can be accessed and read but cannot be changedverified
Read-Only StoragenounMWE(computer science) memory whose contents can be accessed and read but cannot be changedverified
Read/write HeadnounMWE(computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a diskverified
Read/write MemorynounMWEthe most common computer memory which can be used by programs to perform necessary tasks while the computer is onverified
Readernounsomeone who contracts to receive and pay for a service or a certain number of issues of a publicationverified
Readinessnounthe state of having been made ready or prepared for use or action (especially military action)verified
Readingnouna datum about some physical state that is presented to a user by a meter or similar instrumentverified
Reading DesknounMWEdesk or stand with a slanted top used to hold a text at the proper height for a lecturerverified
Reaginnounan immunoglobulin E that is formed as an antibody against allergens (such as pollen)verified
Real Gross National ProductnounMWEa version of the GNP that has been adjusted for the effects of inflationverified