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Glossary · MWE Terms · R

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TermTypeDefinitionClassificationsUpdated
Reduction DivisionnounMWE(genetics) cell division that produces reproductive cells in sexually reproducing organismsverifiedMay 18, 2026
Reduction GearnounMWEgearing that reduces an input speed to a slower output speedverifiedMay 18, 2026
Redundancy ChecknounMWEa system of checking for errors in computer functioningverifiedMay 18, 2026
Redundant array of independent disks (RAID)nounMWEThe use of multiple hard disks to store the same data in different places. By placing data on multiple disks, I/O operations can overlap in a balanced way, improving performance. Since multiple disks increase the mean time between failures (MTBF), storing data redundantly also increases fault-tolerance.verifiedAug 30, 2026
Redundant sitenounMWEA recovery strategy involving the duplication of key IT components, including data or other key business processes, whereby fast recovery can take placeverifiedMay 9, 2026
Redwood FamilynounMWEconiferous treesverifiedMay 18, 2026
Redwood PenstemonnounMWElow branching dark green shrub with bunches of brick-red flowers at ends of branchesverifiedMay 18, 2026
Reed BuntingnounMWEEuropean bunting inhabiting marshy areasverifiedMay 18, 2026
Reed Canary GrassnounMWEperennial grass of marshy meadows and ditches having broad leavesverifiedMay 18, 2026
Reed GrassnounMWEany of various tall perennial grasses of the genus Calamagrostis having feathery plumesverifiedMay 18, 2026
Reed InstrumentnounMWEa musical instrument that sounds by means of a vibrating reedverifiedMay 18, 2026
Reed MacenounMWEtall marsh plant with cylindrical seed heads that explode when mature shedding large quantities of downverifiedMay 18, 2026
Reed Meadow GrassnounMWEa pasture grass of moist places throughout North AmericaverifiedMay 18, 2026
Reed OrgannounMWEa free-reed instrument in which air is forced through the reeds by bellowsverifiedMay 18, 2026
Reed PipenounMWEorgan pipe with a vibrating reedverifiedMay 18, 2026
Reed RhapisnounMWEChinese lady palm with more slender stems and finer sheath fibers than Rhapis excelsaverifiedMay 18, 2026
Reed SectionnounMWEthe section of a band or orchestra that plays reed instrumentsverifiedMay 18, 2026
Reed StopnounMWEan organ stop with the tone of a reed instrumentverifiedMay 18, 2026
Reef KnotnounMWEa square knot used in a reef lineverifiedMay 18, 2026
Reef SquirrelfishnounMWEon reefs from Bermuda and Florida to northern South AmericaverifiedMay 18, 2026
Reef Whitetip SharknounMWEsmooth dogfish of Pacific and Indian Oceans and Red Sea having white-tipped dorsal and caudal finsverifiedMay 18, 2026
reel offverbMWErecite volubly or extravagantlyverifiedJun 3, 2026
Reentering AnglenounMWEan interior angle of a polygon that is greater than 180 degreesverifiedMay 18, 2026
Reentrant AnglenounMWEan interior angle of a polygon that is greater than 180 degreesverifiedMay 18, 2026
Reentrant PolygonnounMWEa polygon with one or more reentrant anglesverifiedMay 18, 2026
Refectory TablenounMWEa long narrow dining table supported by a stretcher between two trestlesverifiedMay 18, 2026
Reference BooknounMWEa book to which you can refer for authoritative factsverifiedMay 18, 2026
Reference ClassnounMWEA class which is intended to describe structure and behavior of object identifiers. Its instances, called references, are passed by-value and indirectly represent objects by substituting for some primitive reference.verifiedAug 28, 2026
Reference FramenounMWEa system that uses coordinates to establish positionverifiedMay 18, 2026
Reference GridnounMWEa pattern of horizontal and vertical lines that provide coordinates for locating points on an image or a mapverifiedMay 18, 2026
Reference ManualnounMWEa manual containing information organized in a summary mannerverifiedMay 18, 2026
Reference MonitornounMWEThe security engineering term for IT functionality that— 1) controls all access, 2) cannot be bypassed, 3) is tamper-resistant, and 4) provides confidence that the other three items are true.verifiedMay 9, 2026
Reference PointnounMWEan indicator that orients you generallyverifiedMay 18, 2026
Reference SystemnounMWEa system that uses coordinates to establish positionverifiedMay 18, 2026
Reference WorknounMWEa book to which you can refer for authoritative factsverifiedMay 18, 2026
Referred PainnounMWEpain that is felt at a place in the body different from the injured or diseased part where the pain would be expectedverifiedMay 18, 2026
Refined SugarnounMWEa white crystalline carbohydrate used as a sweetener and preservativeverifiedMay 18, 2026
Refining IndustrynounMWEan industry that produces and delivers oil and oil productsverifiedMay 18, 2026
Reflecting TelescopenounMWEoptical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepieceverifiedMay 18, 2026
Reflection FactornounMWEthe fraction of radiant energy that is reflected from a surfaceverifiedMay 18, 2026
Reflective PowernounMWEthe ratio of reflected to incident lightverifiedMay 18, 2026
Reflex ActionnounMWEan automatic instinctive unlearned reaction to a stimulusverifiedMay 18, 2026
Reflex AnglenounMWEan angle greater than 180 degrees (but less than 360)verifiedMay 18, 2026
Reflex ArcnounMWEthe neural path of a reflexverifiedMay 18, 2026
Reflex CameranounMWEcamera that allows the photographer to view and focus the exact scene being photographedverifiedMay 18, 2026
Reflex EpilepsynounMWEa form of epilepsy in which attacks are induced by peripheral stimulationverifiedMay 18, 2026
Reflex ResponsenounMWEan automatic instinctive unlearned reaction to a stimulusverifiedMay 18, 2026
Reflexive ACLsnounMWEReflexive ACLs for Cisco routers are a step towards making the router act like a stateful firewall. The router will make filtering decisions based on whether connections are a part of established traffic or not.verifiedAug 30, 2026
Reflexive PronounnounMWEa personal pronoun compounded with -self to show the agent's action affects the agentverifiedMay 18, 2026
Reflexive VerbnounMWEa verb whose agent performs an action that is directed at the agentverifiedMay 18, 2026
Reflux CondensernounMWEcondenser such that vapor over a boiling liquid is condensed and flows back into the vessel to prevent its contents from boiling dryverifiedMay 18, 2026
Reform MovementnounMWEa movement intended to bring about social and humanitarian reformsverifiedMay 18, 2026
Reform SchoolnounMWEcorrectional institution for the detention and discipline and training of young or first offendersverifiedMay 18, 2026
Refracting TelescopenounMWEoptical telescope that has a large convex lens that produces an image that is viewed through the eyepieceverifiedMay 18, 2026
Refractive IndexnounMWEthe ratio of the velocity of light in a vacuum to that in a mediumverifiedMay 18, 2026
Refractory AnemianounMWEany of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease)verifiedMay 18, 2026
Refractory PeriodnounMWE(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a responseverifiedMay 18, 2026
Refractory PotnounMWEa small porous bowl made of bone ash used in assaying to separate precious metals from e.g. leadverifiedMay 18, 2026
refrain from performingverbMWETo not do something.candidateJun 3, 2026
Refresher CoursenounMWEa course that reviews and updates a topic for those who have not kept abreast of developmentsverifiedMay 18, 2026
Refried BeansnounMWEdried beans cooked and mashed and then fried in lard with various seasoningsverifiedMay 18, 2026
Refrigeration SystemnounMWEa cooling system for chilling or freezing (usually for preservative purposes)verifiedMay 18, 2026
Refrigerator CarnounMWEa freight car that is equipped with refrigeration systemverifiedMay 18, 2026
Refrigerator CookienounMWEdough formed into a roll and chilled in the refrigerator then sliced and bakedverifiedMay 18, 2026
Refugee CampnounMWEshelter for persons displaced by war or political oppression or for religious beliefsverifiedMay 18, 2026
Refuse CollectornounMWEsomeone employed to collect and dispose of refuseverifiedMay 18, 2026
Refuse HeapnounMWEan accumulation of refuse and discarded matterverifiedMay 18, 2026
regard asverbMWElook on as or considerverifiedJun 3, 2026
Regional AnaesthesianounMWEloss of sensation in a region of the body produced by application of an anesthetic agent to all the nerves supplying that region (as when an epidural anesthetic is administered to the pelvic region during childbirth)verifiedMay 18, 2026
Regional AnatomynounMWEthe study of anatomy based on regions or divisions of the body and emphasizing the relations between various structures (muscles and nerves and arteries etc.) in that regionverifiedMay 18, 2026
Regional AnesthesianounMWEloss of sensation in a region of the body produced by application of an anesthetic agent to all the nerves supplying that region (as when an epidural anesthetic is administered to the pelvic region during childbirth)verifiedMay 18, 2026
Regional EnteritisnounMWEa serious chronic and progressive inflammation of the ileum producing frequent bouts of diarrhea with abdominal pain and nausea and fever and weight lossverifiedMay 18, 2026
Regional IleitisnounMWEa serious chronic and progressive inflammation of the ileum producing frequent bouts of diarrhea with abdominal pain and nausea and fever and weight lossverifiedMay 18, 2026
Register LanguagenounMWEa tone language that uses different voice registersverifiedMay 18, 2026
Registered BondnounMWEa bond whose owner is recorded on the books of the issuerverifiedMay 18, 2026
Registered MailnounMWEmail that is registered by the post office when sent in order to assure safe deliveryverifiedMay 18, 2026
Registered NursenounMWEa graduate nurse who has passed examinations for registrationverifiedMay 18, 2026
Registered portsnounMWERegistered ports--1024 through 49151: Listed by the IANA and on most systems can be used by ordinary user processes or programs executed by ordinary usersverifiedMay 9, 2026
Registered PostnounMWEmail that is registered by the post office when sent in order to assure safe deliveryverifiedMay 18, 2026
Registered RepresentativenounMWEsomeone in charge of a client's account for an advertising agency or brokerage or other service businessverifiedMay 18, 2026
Registered SecuritynounMWEa security whose owner's name is recorded on the books of the issuer (or issuer's agent)verifiedMay 18, 2026
Registration authoritynounMWEA trusted entity that establishes and vouches for the identity of a Subscriber to a CSP. The RA may be an integral part of a CSP, or it may be independent of a CSP, but it has a relationship to the CSP(s).verifiedMay 9, 2026
Registration FirenounMWEfire delivered to obtain accurate data for subsequent effective engagement of targetsverifiedMay 18, 2026
Registration NumbernounMWEthe number on the license plate that identifies the car that bears itverifiedMay 18, 2026
regression analysisnounMWEThe use of scripted tests which are used to test software for all possible input is should expect. Typically developers will create a set of regression tests that are executed before a new version of a software is released. Also see "fuzzing".verifiedMay 9, 2026
Regression CoefficientnounMWEwhen the regression line is linear (y = ax + b) the regression coefficient is the constant (a) that represents the rate of change of one variable (y) as a function of changes in the other (x)verifiedMay 18, 2026
Regression CurvenounMWEa smooth curve fitted to the set of paired data in regression analysisverifiedMay 18, 2026
Regression EquationnounMWEthe equation representing the relation between selected values of one variable (x) and observed values of the other (y)verifiedMay 18, 2026
Regression LinenounMWEa smooth curve fitted to the set of paired data in regression analysisverifiedMay 18, 2026
Regression of Y on XnounMWEthe equation representing the relation between selected values of one variable (x) and observed values of the other (y)verifiedMay 18, 2026
Regression Toward the MeannounMWEthe relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x)verifiedMay 18, 2026
Regular ArmynounMWEa permanent organization of the military land forces of a nation or stateverifiedMay 18, 2026
Regular Convex PolyhedronnounMWEany one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruentverifiedMay 18, 2026
Regular Convex SolidnounMWEany one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruentverifiedMay 18, 2026
Regular DodecahedronnounMWEa dodecahedron with twelve regular pentagons as facesverifiedMay 18, 2026
Regular HexagonnounMWEa hexagon with six sides of equal lengthverifiedMay 18, 2026
Regular HexahedronnounMWEa hexahedron with six equal squares as facesverifiedMay 18, 2026
Regular IcosahedronnounMWEan icosahedron with twenty equilateral triangles as facesverifiedMay 18, 2026
Regular OctahedronnounMWEan octahedron with eight equilateral triangles as facesverifiedMay 18, 2026
Regular PaymentnounMWEa payment made at regular timesverifiedMay 18, 2026