Glossary · MWE Terms · R
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TermTypeDefinitionClassificationsUpdated
Radio Frequency IdentificationnounMWEA form of automatic identification and data capture (AIDC) that uses electric or magnetic fields at radio frequencies to transmit information.verified
Radio InterferometernounMWEradio telescope that uses interference patterns from two antennas instead of a parabolic antennaverified
Radio ReceivernounMWEan electronic receiver that detects and demodulates and amplifies transmitted signalsverified
Radio ReflectornounMWEastronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sourcesverified
Radio SetnounMWEan electronic receiver that detects and demodulates and amplifies transmitted signalsverified
Radio SpectrumnounMWEthe entire spectrum of electromagnetic frequencies used for communicationsverified
Radio StationnounMWEstation for the production and transmission of AM or FM radio broadcastsverified
Radio TelescopenounMWEastronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sourcesverified
Radio TransmitternounMWEtransmitter that is the part of a radio system that transmits signalsverified
Radio-Controlled AircraftnounMWEan aircraft without a pilot that is operated by remote controlverified
Radio-Frequency SpectrumnounMWEthe entire spectrum of electromagnetic frequencies used for communicationsverified
Radioactive DatingnounMWEmeasurement of the amount of radioactive material, usually carbon 14, that an object containsverified
Radioactive DecaynounMWEthe spontaneous disintegration of a radioactive substance along with the emission of ionizing radiationverified
Radioactive DustnounMWEthe radioactive particles that settle to the ground after a nuclear explosionverified
Radioactive Iodine Excretion TestnounMWEradioactive iodine test that measures the amount of radioactive iodine excreted in the urineverified
Radioactive Iodine TestnounMWEtest of thyroid function in which the patient is given an oral dose of radioactive iodine-131verified
Radioactive Iodine Uptake TestnounMWEradioactive iodine test that measures the amount of radioactive iodine taken up by the thyroid glandverified
Radioactive WastenounMWEuseless radioactive materials that are left after some laboratory or commercial process is completedverified
Radiocarbon DatingnounMWEa chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14verified
Radiocarpal JointnounMWEa joint between the distal end of the radius and the proximal row of carpal bonesverified
Radius VectornounMWEa line connecting a satellite to the center of the body around which it is rotatingverified
Raffia PalmnounMWEa large feather palm of Africa and Madagascar having very long pinnatisect fronds yielding a strong commercially important fiber from its leafstalksverified
Raft FoundationnounMWEa foundation (usually on soft ground) consisting of an extended layer of reinforced concreteverified
Rag GourdnounMWEany of several tropical annual climbers having large yellow flowers and edible young fruitsverified
Rag WeeknounMWEa week at British universities during which side-shows and processions of floats are organized to raise money for charitiesverified
Ragged OrchidnounMWEfringed orchid of the eastern United States having a greenish flower with the lip deeply laceratedverified
Ragged OrchisnounMWEfringed orchid of the eastern United States having a greenish flower with the lip deeply laceratedverified
Ragged RobinnounMWEcommon perennial native to Europe and western Asia having usually pink flowers with ragged petalsverified
Ragged-Fringed OrchidnounMWEfringed orchid of the eastern United States having a greenish flower with the lip deeply laceratedverified
Raglan SleevenounMWEa sleeve that extends in one piece to the neckline of a coat or sweater with seams from the armhole to the neckverified
Ragpicker's DiseasenounMWEa form of anthrax infection acquired by inhalation of dust containing Bacillus anthracisverified
Ragsorter's DiseasenounMWEa form of anthrax infection acquired by inhalation of dust containing Bacillus anthracisverified
Railroad LinenounMWEline that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freightverified
Railroad SidingnounMWEa short stretch of railroad track used to store rolling stock or enable trains on the same line to passverified
Railroad TrainnounMWEpublic transport provided by a line of railway cars coupled together and drawn by a locomotiveverified
Railway LinenounMWEline that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freightverified
Railway LocomotivenounMWEa wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracksverified
Railway SystemnounMWEline that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freightverified
Railway YardnounMWEan area having a network of railway tracks and sidings for storage and maintenance of cars and enginesverified
Rain ChecknounMWEa ticket stub entitling the holder to admission to a future event if the scheduled event was cancelled due to rainverified
Rain DatenounMWEan alternative date set for some outdoor event in case it rains on the appointed dateverified
Rain ShadownounMWEan area that has little precipitation because some barrier causes the winds to lose their moisture before reaching itverified
Rain SticknounMWEa percussion instrument that is made from a dried cactus branch that is hollowed out and filled with small pebbles and capped at both endsverified