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Glossary · Nouns · R

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TermTypeDefinitionClassificationsUpdated
Real NumbernounMWEany rational or irrational numberverifiedMay 18, 2026
Real PresencenounMWE(Christianity) the Christian doctrine that the body of Christ is actually present in the EucharistverifiedMay 18, 2026
Real PropertynounMWEproperty consisting of houses and landverifiedMay 18, 2026
Real StoragenounMWEthe main memory in a virtual memory systemverifiedMay 18, 2026
Real StuffnounMWEinformal usage attributing authenticityverifiedMay 18, 2026
Real TennisnounMWEan ancient form of tennis played in a four-walled courtverifiedMay 18, 2026
Real ThingnounMWEinformal usage attributing authenticityverifiedMay 18, 2026
Real TimenounMWE(computer science) the time it takes for a process under computer control to occurverifiedMay 18, 2026
Real time gross settlement (RTGS) SystemnounMWEA type of payments system operating in real time rather than batch processing mode. It provides immediate finality of transactions. Gross settlement refers to the settlement of each transfer individually rather than netting. FedwireÒ is an example of a real time gross settlement system.SystemRegulatedMay 12, 2026
Real WorldnounMWEthe practical world as opposed to the academic worldverifiedMay 18, 2026
Real-Estate BusinessnounMWEthe business of selling real estateverifiedMay 18, 2026
Real-time network monitoringnounMWEImmediate response to a penetration attempt that is detected and diagnosed in time to prevent access.CapabilityMay 12, 2026
Real-Time OperationnounMWEdata processing fast enough to keep up with an outside processverifiedMay 18, 2026
Real-Time ProcessingnounMWEAny operation or set of operations performed on personal data, whether or not by automated meansverifiedMay 18, 2026
Real-Time ReactionnounMWEImmediate response to a penetration attempt that is detected and diagnosed in time to prevent access.ProcessMay 9, 2026
Realgarnouna rare soft orange mineral consisting of arsenic sulphideverifiedMay 18, 2026
Realisationnouna sale in order to obtain money (as a sale of stock or a sale of the estate of a bankrupt person) or the money so obtainedverifiedMay 18, 2026
Realismnoun(philosophy) the philosophical doctrine that physical objects continue to exist when not perceivedverifiedMay 18, 2026
Realistnouna philosopher who believes that universals are real and exist independently of anyone thinking of themverifiedMay 18, 2026
Realitynounthe state of the world as it really is rather than as you might want it to beverifiedMay 18, 2026
Reality ChecknounMWEan occasion on which one is reminded of the nature of things in the real worldverifiedMay 18, 2026
Reality PrinciplenounMWEthe governing principle of the ego in psychoanalysisverifiedMay 18, 2026
Realizationnouna sale in order to obtain money (as a sale of stock or a sale of the estate of a bankrupt person) or the money so obtainedverifiedMay 18, 2026
Reallocationnouna new apportionment (especially a new apportionment of congressional seats in the United States on the basis of census results)verifiedMay 18, 2026
Reallotmentnouna new apportionment (especially a new apportionment of congressional seats in the United States on the basis of census results)verifiedMay 18, 2026
Realmnouna knowledge domain that you are interested in or are communicating aboutverifiedMay 18, 2026
Realnessnounthe state of being actual or realverifiedMay 18, 2026
Realpolitiknounpolitics based on practical rather than moral or ideological considerationsverifiedMay 18, 2026
Realtynounproperty consisting of houses and landverifiedMay 18, 2026
Reamernouna squeezer with a conical ridged center that is used for squeezing juice from citrus fruitverifiedMay 18, 2026
Reap HooknounMWEan edge tool for cutting grass or cropsverifiedMay 18, 2026
Reapernounfarm machine that gathers a food crop from the fieldsverifiedMay 18, 2026
Reaper BindernounMWEa machine that cuts grain and binds it in sheavesverifiedMay 18, 2026
Reaping HooknounMWEan edge tool for cutting grass or cropsverifiedMay 18, 2026
Reappearancenounthe act of someone appearing again or an event happening againverifiedMay 18, 2026
Reapportionmentnouna new apportionment (especially a new apportionment of congressional seats in the United States on the basis of census results)verifiedMay 18, 2026
Reappraisalnouna new appraisal or evaluationverifiedMay 18, 2026
Rear AdmiralnounMWEan admiral junior to a vice admiralverifiedMay 18, 2026
Rear EndnounMWEthe fleshy part of the human body that you sit onverifiedMay 18, 2026
Rear LampnounMWElamp (usually red) mounted at the rear of a motor vehicleverifiedMay 18, 2026
Rear LightnounMWElamp (usually red) mounted at the rear of a motor vehicleverifiedMay 18, 2026
Rear of BarrelnounMWEopening in the rear of the barrel of a gun where bullets can be loadedverifiedMay 18, 2026
Rear of TubenounMWEopening in the rear of the barrel of a gun where bullets can be loadedverifiedMay 18, 2026
Rear WindownounMWEcar window that allows vision out of the back of the carverifiedMay 18, 2026
Rearguardnouna detachment assigned to protect the rear of a (retreating) military bodyverifiedMay 18, 2026
Rearmamentnounthe act of arming againverifiedMay 18, 2026
Rearrangementnounchanging an arrangementverifiedMay 18, 2026
Rearview MirrornounMWEcar mirror that reflects the view out of the rear windowverifiedMay 18, 2026
reasonnounA cause, explanation, or justification for an action or event.ArtifactMay 12, 2026
Reasonablenessnounthe quality of being plausible or acceptable to a reasonable personverifiedMay 18, 2026
Reasonernounsomeone who reasons logicallyverifiedMay 18, 2026
Reasoning BackwardnounMWEthe reasoning involved when you assume the conclusion is true and reason backward to the evidenceverifiedMay 18, 2026
Reasoning by EliminationnounMWEanalysis of a problem into alternative possibilities followed by the systematic rejection of unacceptable alternativesverifiedMay 18, 2026
Reassemblynounassembling againverifiedMay 18, 2026
Reassertionnounrenewed affirmationverifiedMay 18, 2026
Reassessmentnouna new appraisal or evaluationverifiedMay 18, 2026
reassignmentnounAssignment to a different duty.ProcessMay 9, 2026
Reassurancenounthe act of reassuringverifiedMay 18, 2026
Reatanouna long noosed rope used to catch animalsverifiedMay 18, 2026
Rebatonouna wired or starched collar of intricate laceverifiedMay 18, 2026
Rebellionnounrefusal to accept some authority or code or conventionverifiedMay 18, 2026
Rebelliousnessnounintentionally contemptuous behavior or attitudeverifiedMay 18, 2026
Rebirthnounafter death the soul begins a new cycle of existence in another human bodyverifiedMay 18, 2026
Rebound TendernessnounMWEpain felt when a hand pressing on the abdomen is suddenly releasedverifiedMay 18, 2026
Reboxetinenounan antidepressant drug that blocks the reuptake of norepinephrineverifiedMay 18, 2026
Rebozonouna long woolen or linen scarf covering the head and shoulders (also used as a sling for holding a baby)verifiedMay 18, 2026
Rebuildingnounbuilding againverifiedMay 18, 2026
Rebukernounsomeone who finds fault or imputes blameverifiedMay 18, 2026
Reburialnounthe act of burying againverifiedMay 18, 2026
Reburyingnounthe act of burying againverifiedMay 18, 2026
Rebusnouna puzzle where you decode a message consisting of pictures representing syllables and wordsverifiedMay 18, 2026
Rebuttalnoun(law) a pleading by the defendant in reply to a plaintiff's surrejoinderverifiedMay 18, 2026
Rebutternouna debater who refutes or disproves by offering contrary evidence or argumentverifiedMay 18, 2026
Rec RoomnounMWEa room equipped for informal entertainingverifiedMay 18, 2026
Recalcitrancenounthe trait of being unmanageableverifiedMay 18, 2026
Recalcitrancynounthe trait of being unmanageableverifiedMay 18, 2026
Recalculationnounthe act of calculating again (usually to eliminate errors or to include additional data)verifiedMay 18, 2026
RecallnounA metric for classification models that answers the following question: Out of all the possible positive labels, how many did the model correctly identify? That is: Recall = True Positive/( True Positive + false Negative)MetricMay 18, 2026
Recall DosenounMWEan additional dose that makes sure the first dose was effectiveverifiedMay 18, 2026
Recantationnouna disavowal or taking back of a previous assertionverifiedMay 18, 2026
Recapitulationnounemergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or speciesverifiedMay 18, 2026
Recastingnounchanging a particular word or phraseverifiedMay 18, 2026
Reccenounreconnaissance (by shortening)verifiedMay 18, 2026
Recconounreconnaissance (by shortening)verifiedMay 18, 2026
Reccynounreconnaissance (by shortening)verifiedMay 18, 2026
receiptnounA written or printed acknowledgment that something has been paid for or that goods have been received.ArtifactMay 12, 2026
Receivablesnounmoney that you currently expect to receive from notes or accountsverifiedMay 18, 2026
ReceivernounAn individual, corporation, or other entity that has authorized a company or an originator to initiate a credit or debit entry to a transaction account belonging to the receiver held at its RDFI.IdentityMay 9, 2026
Receiver-Creditor RelationnounMWEthe responsibility of receiver or trustee in bankruptcy to act in the best interests of the creditorverifiedMay 18, 2026
Receivershipnouna court action that places property under the control of a receiver during litigation so that it can be preserved for the benefit of allverifiedMay 18, 2026
Receiving depository financial institution (RDFI)nounMWEAny financial institution qualified to receive debits or credits through its ACH operator in accordance with the ACH rules.OrganizationRegulatedMay 9, 2026
Receiving SetnounMWEan electronic receiver that detects and demodulates and amplifies transmitted signalsverifiedMay 18, 2026
Receiving SystemnounMWEset that receives radio or tv signalsverifiedMay 18, 2026
Recencynounthe property of having happened or appeared not long agoverifiedMay 18, 2026
Recentnessnounthe property of having happened or appeared not long agoverifiedMay 18, 2026
Receptaclenounan electrical (or electronic) fitting that is connected to a source of power and equipped to receive an insertverifiedMay 18, 2026
Receptionnoun(American football) the act of catching a pass in footballverifiedMay 18, 2026
Reception DesknounMWEa counter (as in a hotel) where guests are receivedverifiedMay 18, 2026
Reception LinenounMWEa line of people (hosts and guests of honor) who welcome the guests at a reception partyverifiedMay 18, 2026
Reception RoomnounMWEa room for receiving and entertaining visitors (as in a private house or hotel)verifiedMay 18, 2026