receive only (RO)Pertaining to a device or a mode of operation capable of receiving messages, but not of transmitting messages.
receive-after-transmit time delayThe time interval between (a) the instant of keying off the local transmitter to stop transmitting and (b) the instant the local receiver output has…
received noise powerThe calculated or measured noise power, within the bandwidth being used, at the receive end of a circuit, channel, link, or system. 2.
received signal level (RSL)The signal level at a receiver input terminal. Note 1: The signal bandwidth and the established reference level must be specified.
ReceiverThe component of a central receiver solar thermal system where reflected solar energy is absorbed and converted to thermal energy.
receiver attack-time delayThe time interval from (a) the instant a step rf signal, at a level equal to the receiver threshold of sensitivity, is applied to the receiver input to…
Receiver Operating Characteristics (ROC)A method of showing measured accuracy performance of a biometric system. A verification ROC compares false accept rate vs. verification rate.
receiver overloadThe maximum acceptable value of the received average optical power consistent with a bit error ratio (BER) of 1 x 10-10 or better. [T1.646-1995]
receiver release-time delayThe time interval from removal of rf energy at the receiver input until the receiver output is squelched.
receiver sensitivityThe minimum value of average received power to achieve a 1 x 10-10 bit error ratio.
Receiving DistrictAn overlay zoning district established by the Town Meeting/ Town Council upon recommendation from the Planning Board as an area suitable to receive…
Recentin(reh-SEN-tin) A substance being studied in the treatment of some types of cancer.
receptacleEnlarged end of the pedicel or peduncle, to which other flower parts are attached.
Receptive operatorSomeone who plans to “receive” your motorcoach or tour group. They may plan your lodging, meals, attraction visits, etc. for a fee or commission.
receptor(reh-SEP-ter) A molecule inside or on the surface of a cell that binds to a specific substance and causes a specific physiologic effect in the cell.
receptor-binding screeningA biotechnology-based method for drug discovery, which relies on the fact that many drugs act by binding to specific receptors on or in cells.
recessA temporary interruption of the Senate's (or a committee's) business. Generally, the Senate recesses (rather than adjourns) at the end of each calendar…
RecessionIn general usage, the word recession connotes a marked slippage in economic activity.
Recession ConstantConstant used to reduce the API value daily in the API method of estimating runoff.
recessiveDescribing an allele whose effect with respect to a particular trait is not evident in heterozygotes. Opposite: dominant.
recessive alleleAllelic state of a gene, where homozygosity is required for the expression of the relevant phenotype. Opposite:.
Recessive geneCharacterized as having a phenotype expressed only when both copies of the gene are mutated or missing.
recessive oncogeneA single copy of this gene is sufficient to suppress cell proliferation; the loss of both copies of the gene contributes to cancer formation.
Recessive(-acting) oncogene, (anti-oncogene)A single copy of this gene is sufficient to suppress cell proliferation; the loss of both copies of the gene contributes to cancer formation.
RecharacterizationWhen you have converted one type of individual retirement account (IRA) to another type - such as a traditional IRA to a Roth IRA - and then convert it…
RechargeWater that infiltrates into the ground, usually from above, that replenishes groundwater reserves, provides soil moisture, and affords evapotranspiration.
Recharge rateThe quantity of water per unit time that replenishes or refills an aquifer.
recipientAn Active Directory object that is mail-enabled, mailbox-enabled, or that can receive e-mail messages.
Recipient Block listAn administrator-defined list of recipients for which mail coming in from the Internet should never be accepted. [Exchange 2007]
recipient policyA policy that is applied to mail-enabled objects to generate e-mail addresses. Recipient policies can be defined to apply to thousands of users, groups…
Recipient Update ServiceAn Exchange Server 2003 service that updates the recipient objects within a domain with specific types of information.
Recipient Usage PeriodThe period of time during the cryptoperiod of a symmetric key when protected information is processed.
Reciprocal discoveryAfter the defendant has been given discovery by the government, the government can make limited reciprocal discovery requests of the defendant.
Reciprocal LinksNepotistic link exchanges where websites try to build false authority by trading links, using three way link trades, or other low quality link schemes.
Reciprocal translocationWhen a pair of chromosomes exchange exactly the same length and area of DNA. Results in a shuffling of genes.
reciprocating shakerA platform shaker used for agitating culture flasks, with a back and forth action at variable speeds.
Recirculated AirAir that is returned from a heated or cooled space, reconditioned and/or cleaned, and returned to the space.
RecirculationReturning a fraction of the effluent outflow to the inlet to dilute incoming wastewater.
Recirculation SystemsA type of solar heating system that circulate warm water from storage through the collectors and exposed piping whenever freezing conditions occur…
Recirculation zoneArea of flow composed of one or more eddies immediately downstream from a constriction in the channel, such as a debris fan or rock outcrop.
ReclamaA formal appeal to the service comptroller of SECDEFs tentative budget decision on the service budget estimates. 245
ReclamationThe process of restoring surface environment to acceptable pre-existing conditions.
Reclamation Reform Act of 1982 (RRA)The Reclamation Reform Act of 1982 limits the amount of owned land that is eligible to receive project (Reclamation) irrigation water and addresses the…
Reclamation withdrawalWithholding an area of public land from the operation of the public land laws for the purpose of reserving the land for the use of the Bureau of…
ReclassificationAn adjustment made to the input-output (I-O) accounts when there are two or more industries whose primary activity is the production of similar…
RecluirEl derecho de un tribunal de ordenar que una persona sea recluida en una institución correccional, en un hospital para enfermos mentales o en un…
RecognitionA generic term used in the description of biometric systems (e.g. face recognition or iris recognition) relating to their fundamental function.
Recognition sequence (site)A nucleotide sequence--composed typically of 4, 6, or 8 nucleotides--that is recognized by a restriction endonuclease.
recognition siteA nucleotide sequence, typically 4-8bp long and often palindromic, that is recognized by, and at which a restriction endonuclease binds to the DNA.
RecognizanceAn obligation entered into before a court whereby the recognizor acknowledges that he will do a specific act required by law.
recognizeThe Chair permits a Senator to speak by recognizing him or her; the Senator then "has the floor.
recognized operating agency (ROA)Any operating agency, as defined in the ITU Convention (Geneva, 1992), which operates a public correspondence or broadcasting service and upon which the…
recombinant(ree-KOM-bih-nunt) In genetics, describes DNA, proteins, cells, or organisms that are made by combining genetic material from two different sources.
recombinant adenovirus-p53(ree-KOM-bih-nunt A-den-oh-VY-rus ...) A substance that has been studied in the treatment of some types of cancer.
Recombinant cloneClone containing recombinant DNA molecules. See also: recombinant DNA technology
recombinant DNAThe process of cutting and recombining DNA fragments from different sources as a means to isolate genes or to alter their structure and function.
Recombinant DNA moleculesA combination of DNA molecules of different origin that are joined using recombinant DNA technologies.
Recombinant DNA molecules (rDNA)A combination of DNA molecules of different origin that are joined using recombinant DNA technologies.
Recombinant DNA technologyA set of techniques for manipulating DNA, including: the identification and cloning of genes; the study of the expression of cloned genes; and the…
recombinant fowlpox-TRICOM vaccine(ree-KOM-bih-nunt â¦vak-SEEN) A cancer vaccine made with a form of a chicken virus that does not cause disease in humans.
recombinant human(Abbreviation rh). A prefix denoting molecules made through the use of recombinant DNA technology.
recombinant human interleukin-11(ree-KOM-bih-nunt HYOO-mun in-ter-LOO-kin...) A drug used to increase the number of blood cells, especially platelets, in some cancer patients receiving…
recombinant proteinA protein encoded by a cloned gene. Synonym: heterologous protein.
recombinant RNARNA molecules joined in vitro by T4 RNA ligase.
recombinant tissue plasminogen activator(ree-KOM-bih-nunt TIH-shoo plaz-MIN-oh-jen AK-tih-vay-tur) A form of tissue plasminogen activator that is made in the laboratory.
recombinant toxinA single multifunctional toxic protein encoded by a recombinant gene.
recombinant vaccinia-CEA-MUC-1-TRICOM vaccine(ree-KOM-bih-nunt vak-SIN-ee-uh ⦠vak-SEEN) A cancer vaccine made with a form of vaccinia virus that does not cause disease in humans.
recombinant vaccinia-TRICOM vaccine(ree-KOM-bih-nunt vak-SIH-nee-uh ⦠vak-SEEN) A cancer vaccine made with a form of a vaccinia virus that does not cause disease in humans.
recombinaseA class of enzymes that are able to alter the arrangement of DNA sequences in a site-specific way.
RecombinationThe production of a DNA molecule with segments derived from more than one parent DNA molecule.
recombination fractionThe proportion of recombinant (with respect to two loci) gametes arising from meiosis.
Recombination frequencyThe frequency at which crossing over occurs between two chromosomal loci--the probability that two loci will become unlinked during meiosis.
recombinational hot spotA chromosomal region where recombination appears to occur more frequently than expected.
ReconciliationThe process of analyzing two related records and, if differences exist between them, finding the cause and bringing the two records into agreement.
Reconciliation ActLegislation (Public Law 111-152) signed by President Obama on March 30, 2010. One of two laws collectively referred to as the Affordable Care Act (ACA).
reconciliation billA bill containing changes in law recommended pursuant to reconciliation instructions in a budget resolution.
reconciliation instructionA provision in a budget resolution directing one or more committees to report (or submit to the Budget Committee) legislation changing existing law in…
reconciliation processA process established in the Congressional Budget Act of 1974 by which Congress changes existing laws to conform tax and spending levels to the levels set…
ReconnaissanceAn on-site evaluation of an attraction or destination from the perspective of the customer.
Reconnaissance CodeAn aircraft weather reconnaissance code that has come to refer primarily to in-flight tropical weather observations, but actually signifies any detailed…
reconsiderSenate rules permit one motion to reconsider any question decided by vote, if offered by a Senator who voted on the winning side.
ReconstituteTo restore, during periods of hostile engagements or during peacetime, military forces or elements as closely as possible to a desired state of readiness…
reconstructed cellA viable transformed cell resulting from genetic engineering.
reconstructed sampleAn analog sample generated at the output of a decoder when a specified character signal is applied at its input.
reconstructed signalIn ADPCM (adaptive differential pulse code modulation), the sum of the signal estimate from adaptive prediction and the quantized difference signal from…
reconstructive surgeonA doctor who can surgically reshape or rebuild (reconstruct) a part of the body, such as a woman's breast after surgery for breast cancer.
Reconstructive SurgerySurgery and follow-up treatment needed to correct or improve a part of the body because of birth defects, accidents, injuries or medical conditions.
recordAll the documents and evidence plus transcripts of oral proceedings in a case.
record booka well-bound, durable book or ledger into which record copies of legal instruments and record copies of other records are registered or entered.