Glossary · Nouns · R
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TermTypeDefinitionClassificationsUpdated
Retrovirusnounany of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA)verified
Return (ACH)nounMWEAny ACH entry that has been returned to the ODFI by the RDFI or by the ACH operator because it cannot be processed. The reason for each return is included with the return in the form of a "return reason code." (See the NACHA "Operating Rules and Guidelines" for a complete reason code listing.)ArtifactRegulatedPCI
Return AddressnounMWEthe address of the sender of a letter or parcel indicating where it should be returned if it cannot be deliveredverified
Return KeynounMWEthe key on electric typewriters or computer keyboards that causes a carriage return and a line feedverified
Return on Invested CapitalnounMWE(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
Return on investmentnounMWEA measure of operating performance and efficiency, computed in its simplest form by dividing net income by the total investment over the period being consideredMetric
Return-oriented attacksnounMWEAn exploit technique in which the attacker uses control of the call stack to indirectly execute cherry-picked machine instructions immediately prior to the return instruction in subroutines within the existing program codeThreat
Returning OfficernounMWEthe official in each electorate who holds the election and returns the resultsverified
Revenue EnhancementnounMWEcharge against a citizen's person or property or activity for the support of governmentverified
Revenue SharingnounMWEdistribution of part of the federal tax income to states and municipalitiesverified
Revenue StampnounMWEa small piece of adhesive paper that is put on an object to show that a government tax has been paidverified
Revenuernouna government agent responsible for collecting revenue (especially one responsible for stopping bootlegging)verified
Reverberatory FurnacenounMWEa furnace in which the material that is being treated is heated indirectly by flames that are directed at the roof and walls of the furnaceverified
Reversalnouna judgment by a higher court that the judgment of a lower court was incorrect and should be set asideverified
Reverse Address Resolution ProtocolnounMWERARP (Reverse Address Resolution Protocol) is a protocol by which a physical machine in a local area network can request to learn its IP address from a gateway server's Address Resolution Protocol table or cache. A network administrator creates a table in a local area network's gateway router that maps the physical machine (or Media Access Control - MAC address) addresses to corresponding Internet Protocol addresses. When a new machine is set up, its RARP client program requests from the RARP server on the router to be sent its IP address. Assuming that an entry has been set up in the router table, the RARP server will return the IP address to the machine which can store it for future use.Network
Reverse EngineeringnounMWEAcquiring sensitive data by disassembling and analyzing the design of a system component.ThreatRestrictedIP
Reverse FaultnounMWEa geological fault in which the upper side appears to have been pushed upward by compressionverified
Reverse LightningnounMWEatmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upwardverified
Reverse LookupnounMWEFind out the hostname that corresponds to a particular IP address. Reverse lookup uses an IP (Internet Protocol) address to find a domain name.Capability
Reverse Polish NotationnounMWEa parenthesis-free notation for forming mathematical expressions in which each operator follows its operandsverified
Reverse ProxynounMWEReverse proxies take public HTTP requests and pass them to back-end webservers to send the content to it, so the proxy can then send the content to the end-user.Network
Reverse SplitnounMWEa decrease in the number of outstanding shares of a corporation without changing the shareholders' equityverified
Reverse Stock SplitnounMWEa decrease in the number of outstanding shares of a corporation without changing the shareholders' equityverified
Reverse TranscriptasenounMWEa polymerase that catalyzes the formation of DNA using RNA as a templateverified
Reverse Transcriptase InhibitornounMWEan antiviral drug that inhibits the action of reverse transcriptase in retroviruses such as HIVverified
Reversible ProcessnounMWEany process in which a system can be made to pass through the same states in the reverse order when the process is reversedverified
Reversionnoun(law) an interest in an estate that reverts to the grantor (or his heirs) at the end of some period (e.g., the death of the grantee)verified
Reversionary AnnuitynounMWEan annuity payable to one person in the event that someone else is unable to receive itverified
Review ArticlenounMWEan essay or article that gives a critical evaluation (as of a book or play)verified
Review CopynounMWEa copy of a newly published book that is sent for review to a writer or periodicalverified
Revisionnounthe act of revising or altering, usually involving reconsideration and modificationverified
Revisionistnouna Communist who tries to rewrite Marxism to justify a retreat from the revolutionary positionverified
Revocationnounthe act (by someone having the authority) of annulling something previously doneverified
Revolvernouna door consisting of four orthogonal partitions that rotate about a central pivotverified
Revolving Charge AccountnounMWEa charge account that does not have to be paid to zero balanceverified
Revolving CreditnounMWEa consumer credit line that can be used up to a certain limit or paid down at any timeverified
Revolving DoornounMWEan organization or institution with a high rate of turnover of personnel or membershipverified
Revolving FundnounMWEa fund which, if borrowed or used, is intended to be replenished so it may be loaned or spent repeatedlyverified
Rewa-Rewanounslender elegant tree of New Zealand having racemes of red flowers and yielding valuable mottled red timberverified