long-term stabilityOf an oscillator, the degree of uniformity of frequency over time, when the frequency is measured under identical environmental conditions, such as supply…
Long-throated flumesLong-throated flumes control discharge rate in a throat that is long enough to cause nearly parallel flow lines in the region of flow control.
LongitudeThe location east or west in reference to the Prime Meridian, which is designated as zero (0) degrees longitude.
LongitudinalPertaining to or extending along the long axis, or length, of a structure. Lengthwise. See transverse.
longitudinal balanceThe electrical symmetry, with respect to ground, of the two wires of a pair 2. An expression of the difference in impedance of the two sides of a circuit.
longitudinal balance-audioThe ratio of the disturbing longitudinal source voltage, Vs, and the resultant metallic voltage, Vm, at the same frequency of the network under test…
longitudinal voltageA voltage induced or appearing along the length of a transmission medium. Note 1: Longitudinal voltage may be effectively eliminated by using differential…
longwave net radiationThe difference between upwelling and downwelling broadband longwave radiation.
longwave radianceThe rate at which light energy in the longwave portion of the spectrum is emitted in a particular direction per unit of projected surface area…
Longwave RadiationA term used to describe the infrared energy emitted by the earth and atmosphere at wavelengths between about 5 and 25 micrometers.
Longwave TroughA trough in the prevailing westerly flow aloft which is characterized by large length and (usually) long duration.
look-and-feelThe visual impression and interaction style provided by a user interface. This is predominantly the responsibility of the window manager (in collaboration…
lookaheadAn "assertion" that peeks at the string to the right of the current match location.
lookbehindAn "assertion" that peeks at the string to the left of the current match location.
LooksmartCompany originally launched as a directory service which later morphed into a paid search provider and vertical content play. See also: Looksmart.com
lookup tableA special tabular data file containing additional attributes for features stored in an associated feature attribute table.
loopA construct that performs something repeatedly, like a roller coaster.
loop bioreactorFermenters in which material is cycled between a bulk tank and a smaller tank or loop of pipes.
loop closureA condition in which the network presents a low-resistance tip-to-ring dc path at the network interface (NI). [T1.407-1990]
loop compensation lossThe loss that could be provided by a digital loop carrier system or a fiber-in-the-loop system when a short customer analog access cable results in…
loop control statementAny statement within the body of a loop that can make a loop prematurely stop looping or skip an "iteration".
loop electrosurgical excision procedure(loop ee-LEK-troh-SER-jih-kul ek-SIH-zhun proh-SEE-jer) A technique that uses electric current passed through a thin wire loop to remove abnormal tissue.
loop excision(...ek-SIH-zhun) A technique that uses electric current passed through a thin wire loop to remove abnormal tissue.
loop filterIn a phase-locked loop, a filter located between the phase detector (or time discriminator) and the voltage controlled oscillator (or phase shifter).
Loop flowUnintended or unscheduled flow of electricity through a line or system.
loop gainThe total usable power gain of a carrier terminal or two-wire repeater. Note: The maximum usable gain is determined by, and may not exceed, the losses in…
loop labelA kind of key or name attached to a loop (or roller coaster) so that loop control statements can talk about which loop they want to control.
loop noiseThe noise contributed by one or both loops of a telephone circuit to the total circuit noise.
loop openA signal in which the network applies a high resistance between the tip and ring conductors at the network interface (NI). [T1.407-1997]
Loop Prominence System(abbrev. LPS) In solar-terrestrial terms, a system of loop prominences associated with major flares.
loop startA supervisory signal given by a telephone or PBX in response to completing the loop path.
loop testA test that uses a closed circuit, i.e., loop, to detect and locate faults.
loop transmissionMultipoint transmission in which (a) all the stations in a network are serially connected in one closed loop, (b) there are no cross-connections, (c) the…
loop variableA variable used to control the operation of a loop, such as a for loop. Typically, a loop variable will be given an initial value and it is then…
loop-backA method of performing transmission tests of access lines from the serving switching center, which method usually does not require the assistance of…
looped dual busA distributed-queue dual-bus (DQDB) scheme in which the head-of-bus functions for both buses are at the same location.
LoopingA pattern of plume dispersion in an unstable atmosphere, in which the plume undergoes marked vertical oscillations as it is alternately affected by rising…
Loosean undesirable condition of the race car. This is when the car's set up causes the back end of the car to overtake the front end while entering or exiting…
Loose creditIn order to combat a sluggish economy, the Open Market Committee of the Federal Reserve (the Fed) may institute a loose credit policy.
Loose Fill InsulationInsulation made from rockwool fibers, fiberglass, cellulose fiber, vermiculite or perlite minerals, and composed of loose fibers or granules can be…
Loose HeadLight boat (boat without tow) getting underway.
Loose stuffDebris such as sand, pebbles or small pieces of rubber that tend to collect on a track's apron or near the outside wall during a race.
Loose yardsMeasurement of soil or rock after it has been loosened by digging or blasting.
loose-action plugA lure with wide, slow movements from side to side. Can be the lure of choice when fish are sluggish in colder water, such as during winter or early…
Loose-leaf servicesLoose-leaf replacement pages provided by a publisher in areas of the law where changes occur at a rapid rate.
LOOTTo take the treasure from a monster that has been killed or from a chest.
loperamide hydrochloride(loh-PER-uh-mide HY-droh-KLOR-ide) A drug used to treat diarrhea. Loperamide hydrochloride slows the movement of the muscles in the small intestine to…
LoranLong Range Navigation, a system of long range navigation whereby latitude and longitude are determined from the time displacement of radio signals from…
loran stationA long distance radionavigation land station transmitting synchronized pulses. Hyperbolic lines of position are determined by the measurement of the…
lorazepam(lor-AZ-uh-pam) A drug that is used to treat anxiety and certain seizure disorders (such as epilepsy), and to prevent nausea and vomiting caused by…
losartan(loh-SAR-tan) A drug used to treat high blood pressure. Losartan blocks the action of chemicals that make blood vessels constrict (get narrower).
losartan potassium(loh-SAR-tan puh-TA-see-um) A drug used to treat high blood pressure. Losartan potassium blocks the action of chemicals that make blood vessels constrict…
Lose StatusTo stay in the United States longer than the period of time which DHS gave to a person when he/she entered the United States, or to fail to meet the…
LoserStocks whose market prices drop the most during the trading day are described, rather bluntly, as losers.
Losing streamA stream or reach that contributes water to a zone of saturation.
losoxantroneAn anticancer drug that belongs to the family of drugs called antipyrazoles.
LossThe amount an insurance company pays on a claim.
Loss (Realized Gain)A gain (loss) that has occurred financially. The difference between the principal amount received and the cost basis after the sale of an asset.
Loss (Unrealized Gain)A profit (loss) that has not been realized through the sale of a security. The gain (loss) is realized when a security or futures contract is actually…
Loss DeviationThe term "Loss Deviation" denotes the variation of the actual loss from the designed value.
Loss historyRefers to the number of insurance claims previously filed by a policyholder. A company will consider loss history when underwriting a new policy or…
Loss MitigationThe full range of solutions that may avert either the loss of a debtor’s property to foreclosure, increased costs to the lender or both.
Loss of Load Probability (LOLP)A measure of the probability that a system demand will exceed capacity during a given period; often expressed as the estimated number of days over a long…
Loss of useA provision in homeowners and renters insurance policies that reimburses policyholders for the additional costs (housing, food, and other essentials) of…
Loss SeverityThe percentage of realized losses incurred on a loan balance subsequent to liquidation.
LossesEnergy (kilowatt-hours) and power (kilowatts) lost in the operation of an electric system, principally as waste heat in electrical conductors and…
Losses (Energy)A general term applied to the energy that is converted to a form that can not be effectively used (lost) during the operation of an energy producing…
lossless compressionExact construction of image, bit-by-bit, with no loss of information.
lossy compressionReduces storage size of image by reducing the resolution and color fidelity while maintaining minimum acceptable standard for general use.
lossy failoverAn unscheduled outage of a clustered mailbox server (CMS) in a cluster continuous cluster (CCR) environment in which data was lost. [Exchange 2007]
lossy mediumA medium in which a significant amount of the energy of a propagating electromagnetic wave is absorbed per unit distance traveled by the wave. [After 2196]
lost blockA block not delivered to the user within a specified maximum end-to-end block transfer time.
lost callA call that has not been completed for any reason other than cases where the call receiver (termination) is busy.
lost frameA frame that is not delivered to the destination user within an agreed-upon measurement period, and the network is responsible.
lost profitsThis is a measure of damages and is generally keyed to the profits that could have been the patentee's, but were lost to the infringer.
Lot Areaarea is the total square footage of horizontal area included within the property lines.
LoticMoving water systems such as streams and rivers.
Lotic SystemA flowing body of fresh water, such as a river or stream. Compare lentic system.
Lotus QuickPlace placeA Web venue that is provided by Lotus QuickPlace that enables geographically dispersed participants to collaborate on projects and communicate online in a…
Lotus QuickPlace roomA partitioned area of a Lotus QuickPlace place that is restricted to authorized members who share a common interest and a need to work collectively.
lovastatin(LOH-vuh-STA-tin) A drug used to lower the amount of cholesterol in the blood. It is also being studied in the prevention and treatment of some types of…
LowA region of low pressure, marked as "L" on a weather map. A low center is usually accompanied by precipitation, extensive cloudiness, and moderate winds.