leukoplakia(LOO-koh-PLAY-kee-uh) An abnormal patch of white tissue that forms on mucous membranes in the mouth and other areas of the body. It may become cancerous.
leuprolide(LOO-pro-lide) The active ingredient in a drug used to treat symptoms of advanced prostate cancer.
leuprolide acetate(LOO-proh-lide A-seh-tayt) A drug used to treat symptoms of advanced prostate cancer.
leuvectinAn agent that delivers the gene for interleukin-2 (IL-2) into cells to increase production of IL-2 by the cells.
levamisoleAn antiparasitic drug that is also being studied in cancer therapy with fluorouracil.
LeveeA natural or man-made barrier that helps keep rivers from overflowing their banks. See dike.
Levee (Dike)A long, low embankment usually built along a watercourse to protect land from flooding.
LevelThe number of values used in a card counting system. A level one counting system only uses +1 and -1, but a level two system would use +1, +2, -1 and -2…
level alignmentThe adjustment of transmission levels of single links and of links in tandem to prevent problems such as overloading of transmission subsystems.
Level CodingUsed in Bibliographical coding to facilitate different treatment, such as prioritization or more thorough extraction of data, for different categories of…
Level loadSome load mutual funds impose a recurring sales charge, called a level load, each year you own the fund rather than a sales charge to buy or sell shares.
Level of Effort (LOE)Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours.
Level of Free Convection(LFC) - The level at which a parcel of saturated air becomes warmer than the surrounding air and begins to rise freely.
Level of Ordinary SkillThe level of skill in the art(s) to which an invention pertains that is used in judging whether a disclosure or claim is enabling. MPEP 2141.03.
level of protection[The] extent to which protective measures, techniques, and procedures must be applied to information systems (IS) and networks based on risk, threat…
Level of protection (LOP)As used in the evaluation process, it is the level of loading selected to which corrective actions will be designed to prevent dam failure.
Level of Service (LOS)A qualitative measure describing operational conditions within a traffic stream in terms of speed and travel time, freedom to maneuver, traffic…
Level payment mortgageA loan that requires the same payment each month (or other period) for full amortization.
Level Premium InsuranceInsurance for which the cost is distributed evenly over the premium payment period.
Level term insuranceWith a level term life insurance policy, your annual premium remains the same for the term, which may be as long as 10 or 20 years.
Level yield curveA level yield curve results when the interest rate on short-term US Treasury issues is essentially the same as the rate on long-term Treasury bonds.
levels of evidence(LEH-vulz uv EH-vih-dents) A ranking system used to describe the strength of the results measured in a clinical trial or research study.
LeverageLeverage is an investment technique in which you use a small amount of your own money to make an investment of much larger value.
Leveraged buyoutA leveraged buyout occurs when a group of investors using borrowed money, often raised with high yield bonds or other kinds of debt, takes control of a…
leveragingThe borrowing of money for investment purposes.
levetiracetam(lee-vih-ty-RAS-ih-tam) A drug used to treat seizures (involuntary muscle movements) caused by epilepsy (a group of brain disorders).
levocarnitineA form of carnitine, which is a substance made in the muscles and liver. It can be given as a supplement to prevent and treat carnitine deficiency in…
levofloxacinA substance used to treat bacterial infections. It belongs to the family of drugs called quinolone antibiotics.
levonorgestrel(LEE-voh-nor-JES-trel) A form of the hormone progesterone that is made in the laboratory and used to prevent pregnancy.
Levulan(LEH-vyoo-lan) A drug used to treat actinic keratosis (a skin condition that may become cancer).
Levulan Kerastick(LEH-vyoo-lan KER-uh-stik) A drug used to treat actinic keratosis (a skin condition that may become cancer).
LEWPLine Echo Wave Pattern. A bulge in a thunderstorm line producing a wave-shaped "kink" in the line.
LexaproA drug used to treat depression and certain anxiety disorders. It belongs to the family of drugs called selective serotonin reuptake inhibitors (SSRIs).
lexatumumab(lek-suh-TOO-moo-mab) A monoclonal antibody being studied in the treatment of some types of cancer.
LexbeWeb-based case and document management service. Features include searchable PDF-based document review, automatic OCR, hosted online access, shared…
lexicalPertaining to how the characters in source code are translated into tokens that the compiler can understand.
lexical affinityThe relationship of search words that appear close to each other in the document. Lexical affinity is used to calculate the relevancy of a result.
lexical scopingLooking at your Oxford English Dictionary through a microscope. (Also known as "static scoping", because dictionaries don't change very fast.
lexical variableA "variable" subject to "lexical scoping", declared by my. Often just called a "lexical".
lexicographic orderingThe ordering of words as they would be found in a dictionary. It should be noted that different locales order similar looking words according to their own…
Ley de prescripciónEl período de tiempo dentro del cual se debe iniciar una acción judicial. El dejar de presentar una demanda dentro del término prescrito impide la…
LFCAn acronym for Level of Free Convection- the level at which a parcel of saturated air becomes warmer than the surrounding air and begins to rise freely.
LH-RHA hormone that stimulates the production of sex hormones in men and women. Also called luteinizing hormone-releasing hormone.
LH-RH agonistA drug that inhibits the secretion of sex hormones. In men, LH-RH agonist causes testosterone levels to fall.
LH2OThe heat (Btu) needed to vaporize and superheat one pound of water.
Lhermitte's sign(layr-MEETZ ...) A sensation similar to an electrical shock radiating from the back of the head down the spine as the neck is bent forward.
LILifted Index. A common measure of atmospheric instability. Its value is obtained by computing the temperature that air near the ground would have if it…
Li-Fraumeni syndromeA rare, inherited predisposition to multiple cancers, caused by an alteration in the p53 tumor suppressor gene.
LiabilitiesA person's debts and other financial obligations.
LiabilityA legally enforceable financial obligation caused by negligence.
Liability CoverageInsurance protection that pays for claims or judgments brought against the insured.
Liability insuranceInsurance that pays when you are liable for injuries to other persons or damage to their property.
Liability limitsThe maximum amount your liability policy will pay. Your policy must pay at least $25,000 for each injured person, up to a total of $50,000 per accident…
LiableResponsible or answerable by law; legally obligated.
LiablitiesThe sum of debts or obligations of a business. Normally, the liabilities appear on the credit side of a balance sheet.
liarozoleAn anticancer drug that promotes differentiation by increasing the levels of retinoic acid within the tumor.
LibelPublished defamation which tends to injure a person's reputation.
LIBOR-IndexAn index used to determine interest rate changes for certain ARM plans, based on the average interest rate at which international banks lend to or borrow…
LIBRARIANMeets the informational needs of the judges and lawyers.
LibrariesIn order to share files, Sharepoint makes use of libraries. The three types of libraries available in Sharepoint are document libraries, form libraries…
libraryA collection of cells, usually bacteria or yeast, that have been transformed with recombinant vectors carrying DNA inserts from a single species.
LibtoolLibtool is a GNU library support script that abstracts shared library interface. Used by GSI/Sysconfig.
Licensea contract in which the owner of the patent grants another person or company permission to make, use, or sell the patented invention.
license serverA computer on which the TS Licensing role service is installed. A license server issues TS CALs to users or devices that connect to a terminal server.
license server discovery modeA mode that is configured on the terminal server that determines which method to use to find (âdiscoverâ) a Terminal Services license server in…
licenseeThe entity which is granted rights to intellectual property by the owner of that property.
Licensing boardsState agencies created to regulate the issuance of licenses, i.e., to contractors, cosmetologists, realtors, etc.
licensorThe owner of intellectual property which grants rights to another (the licensee) through a license.
licorice root extract(LIH-kuh-rish ⦠EK-strakt) A substance prepared from dried roots of the plant Glycyrrhiza glabra .
Lid(Also called cap.) A region of negative buoyancy below an existing level of free convection (LFC) where energy must be supplied to the parcel to maintain…
LIDARAn instrument similar to a radar but uses a laser to generate light pulses rather than radio waves, generally used to measure aerosol content and particle…