RakeAn amount of money taken out of every pot by the dealer. This is the cardroom's income.
RallyA rally is a significant short-term recovery in the price of a stock or commodity, or of a market in general, after a period of decline or sluggishness.
raloxifene(ral-OX-ih-feen) A drug used to reduce the risk of invasive breast cancer in postmenopausal women who are at a high risk of developing the disease or who…
raloxifene hydrochloride(ral-OX-ih-feen HY-droh-KLOR-ide) A drug used to reduce the risk of invasive breast cancer in postmenopausal women who are at a high risk of developing…
raltitrexedAn anticancer drug that stops tumor cells from growing by blocking the ability of cells to make DNA.
RAMRandom Access Memory - the hardware inside a computer that retains memory on a short-term basis and stores information while the user utilizes the…
RAM (Random Access Memory)The working memory of the computer into which application programs can be loaded and executed.
RAMA(1) Reliability, Availability, and Maintainability. (2) Random Access Memory. (3) Radar Absorption Material.
Raman scatteringThe generation of many different wavelengths of light from a nominally single-wavelength source (a) by means of lasing action and interaction with…
rametAn individual member of a clone, descended from the ortet.
Rammed EarthA construction material made by compressing earth in a form; used traditionally in many areas of the world and widely throughout North Africa and the…
Random1) having no specific pattern 2) produced by chance or unplanned in nature
random access discrete address (RADA)A communications technique in which radio users share one wide frequency band instead of each user's being assigned a narrow band.
Random Access MemoryRandom access memory, or RAM, is memory whose contents are easily accessible to the processing components of a computer.
random access memory (RAM)A read/write, nonsequential-access memory used for the storage of instructions and data.
random amplified polymorphic DNA(Abbreviation: RAPD). A PCR -based genotyping technique in which genomic template is amplified with single, short (usually 10-mer) randomly chosen primers.
random dataData that are (a) unpredictable and have no discernable pattern, or (b) satisfy certain mathematical criteria for statistical randomness.
Random DefenseEngagement of RVs uniformly without any reference to type or destination. This implies taking the best shot possible in terms of increasing probability to…
Random earthquakeIn addition to earthquakes that occur on mapped faults, hazards are also presented by earthquakes not associated with known geological structures.
random errorsErrors distributed over the signal in time so that they can be considered statistically independent from each other. [T1.226-1992]
random filingfiling of entities without regard to a particular order or pattern, used with an indexing system for locating them
random mutagenesisA non-directed change of one or more nucleotide pairs in a DNA molecule.
random noiseNoise consisting of a large number of transient disturbances with a statistically random time distribution.
random numberA number selected from a known set of numbers in such a way that each number in the set has the same probability of occurrence. 2.
Random Number Generator (RNG)A process used to generate an unpredictable series of numbers. Each individual value is called random if each of the values in the total population of…
random primer methodA method for labelling DNA probes, mainly for Southern hybridization experiments.
Random walk theoryThe random walk theory holds that it is futile to try to predict changes in stock prices.
randomizationWhen referring to an experiment or clinical trial, the process by which animal or human subjects are assigned by chance to separate groups that compare…
randomized clinical trialA study in which the participants are assigned by chance to separate groups that compare different treatments; neither the researchers nor the…
randomizerA device used to invert the sense of pseudorandomly selected bits of a bit stream to avoid long sequences of bits of the same sense.
RangeGeographic region in which a given plant or animal normally lives or grows.
Range FoldingThis occurs when the radar receives a signal return from a pulse other than the most recent pulse.
Range GateThe discrete point in range along a single radial of radar data at which the received signal is sampled.
range GETA range GET specifies a byte range of data to get for a download. If an object is large, you can break up a download into smaller units by sending…
Range Height IndicatorThe RHI is a radar display in which the radar scans vertically, with the antenna pointing at a specific azimuth or radial.
Range NormalizationA receiver gain function in the radar which compensates for the effect of range (distance) on the received power for an equivalent reflectivity.
Range of SeverityThe area or scope of a physical or mental condition or complication of a physical or mental condition occurring during another disease and aggravating it…
Range ResolutionThe ability of the radar to distinguish two targets along the same radial but at different ranges. it is approximately ½ the pulse length.
Range restrictionsThe ability to limit a search to a specified range of a numerical metadata field. For example, a search for a digital camera between $250 and $400.
Range UnfoldingProcess of removing range ambiguity in apparent range of a multitrip target on the radar.
RangelandLand on which the native vegetation, climax, or natural potential consists predominately of grasses, grasslike plants, forbs, or shrubs.
rangingThe measurement of the distance to a remote object (target), from a known observation or reference point.
RankThe numerical value of a card (as opposed to its suit). Example: "jack," "seven."
rank coercionThe ability to rank a file at the top of search results for a given search query. See also: property weighting
Rank Order NumberThe number that Kentucky Consular Center gives to the entries of DV Program (lottery) as the computer selects them.
Rank profileA rank profile concept enables full control of the relative weight of each component for a given query (for example, how important an article's title is…
Rankine CycleThe thermodynamic cycle that is an ideal standard for comparing performance of heat-engines, steam power plants, steam turbines, and heat pump systems…
Rankine steam cycleThe thermodynamic cycle of temperature and pressure changes of water as it is converted from a liquid to a gaseous state by heating, and returns back to…
Rankine VortexVelocity profile for a symmetric circulation in which the inner core is in solid rotation and tangential winds outside the core vary inversely with radial…
RankingRanking is a method of assigning a value to an investment in relation to comparable investments by using a scale.
ranking minority memberThe highest ranking (and usually longest serving) minority member of a committee or subcommittee.
Ranking modelsModels used to determine how closely content matches a particular query, and whether it should be included in the search results.
ranpirnaseA substance being studied in the treatment of cancer. It is a type of ribonuclease enzyme. Also called Onconase.
Rapamune(RAP-uh-MYOON) A drug used to prevent the rejection of organ and bone marrow transplants by the body.
rapamycin(RAP-uh-MY-sin) A drug used to prevent the rejection of organ and bone marrow transplants by the body.
RAPDAbbreviation for random amplified polymorphic DNA.
RapidA section of a river where the current is very fast moving, caused by a steep descent in the riverbed through a constriction of the main channel.
Rapid DeepeningA decrease in the minimum sea-level pressure of a tropical cyclone of 1.75 mb/hr or 42 mb for 24 hours
rapid eye movement sleepOne of the five stages of sleep. During rapid eye movement sleep, the eyes move rapidly while closed and dreams occur.
Rapid flowAlso refered to as supercritical flow, rapid flow is distinguished from tranquil flow by a dimensionless number called the Froude number.
rapid hormone cyclingA procedure in which drugs that block the production of male hormones are alternated with male hormones and/or drugs that promote the production of male…
Rapid IntensificationAn increase in the maximum sustained winds of a tropical cyclone of at least 30 kt in a 24-h period.
rapid-onset opioidAn opioid that relieves pain quickly. Opioids are drugs similar to opiates such as morphine and codeine but do not contain and are not made from opium.
Rapidly IntensifyingIndicator for a maritime cyclone whose central pressure is dropping, or is expected to drop, at a rate of 1 MB per hour for 24 hours.
Raptiva(rap-TEE-vuh) A monoclonal antibody used to treat psoriasis (a chronic skin disease).
RAPTORA bird of prey such as a falcon, hawk, or eagle.
RAPTOR/TALONA technology demonstration program to demonstrate critical technologies for an unmanned airborne weapons system providing a boost phase intercept…
ras geneA gene that has been found to cause cancer when it is altered (mutated). Agents that block its activity may stop the growth of cancer.
ras peptide(rass PEP-tide) A short piece of the ras protein, which is made by the ras gene. The ras gene has been found to cause cancer when it is mutated (changed).
rasburicaseA drug that is used to treat high blood levels of uric acid in patients receiving treatment for cancer.
rasterA cellular data structure composed of rows and columns for storing images. Groups of cells with the same value represent features. See also grid.
raster countThe total number of raster scanning lines within a display space. [From Weik '89]
raster densityIn display systems, the number of scanning lines per unit distance perpendicular to the scanning direction. [From Weik '89]