ExpertGlossary terms starting with L

1,745 terms

Leg A side post in tunnel timbering.
legacy application When used in the context of the User Account Control (UAC) infrastructure, an application that does not have an application manifest that indicates…
Legacy Assets The Legacy Assets are a portfolio of debt securities held by the Asset Management Estates (AMEs) of failed corporate credit unions.
Legacy Chargers Legacy electric charging systems such as inductive paddles. Learn more about types of chargers.
Legacy Custodian Former employees, participants and Individual Custodians who are no longer with the company.
Legacy Data Information in the development process that may have significant resources invested into it that has been produced and/or stored on software and/or…
legacy system Software and/or hardware that has become obsolete or been replaced, but which continues to store data
Legacy System Generated Custodian ESI generated from a legacy enterprise application such as financial systems, dynamic monitoring systems and more may not have a clear Custodian.
Legal aid Professional legal services available to persons or organizations unable to afford such services.
legal aid organization A group or agency that gives legal help to people with low incomes. Health legal aid workers help people with issues related to getting good healthcare…
Legal custody a form of child custody that grants one parent the right to make decisions about the child's upbringing.
Legal Document Management To capture and manage of legal documents within a law firm or other organization.
Legal Hold A legal hold is a communication issued as a result of current or anticipated litigation, audit, government investigation or other such matter that…
Legal Hold Auditing In matters of high risk or complexity, the corporation may conduct an internal or external audit of the scope and compliance with the legal hold.
Legal Hold Development Developing the preservation scope, description and criteria is based in the work done in the Identification phase interpreted in light of the opposing…
Legal Hold Enforcing Legal Holds may be in place for years and a source may be under multiple holds.
Legal Hold Issuance Issuing hold notices to custodians and systems.
Legal Hold Tracking Legal Hold tracking may be done on simple documents (Word/Excel) or in a dedicated application to record notices and actions of the Legal Hold.
Legal Immigration Family Equity (LIFE) Act This act of Congress allows foreign spouses of U.S. citizens, the children of those foreign spouses, and spouses and children of certain lawful permanent…
legal instrument a deed of conveyance, court judgment, decree, or other similar public record of an official judicial, legislative, executive, or administrative action or…
Legal process A formal paper that is legally valid; something issuing from the court, usually a command such as a writ or mandate.
Legal Software Software which helps lawyers to organize and index case files, helps to arrange/schedule docket numbers or catalogue court dates, or assists in the…
Legal State or National Holiday If the last day for performance of an act is a Saturday, Sunday, or legal state or national holiday, an act required under the Election Code is timely if…
Legal texts Books that cover specific areas of the law, usually dealing with a single topic.
legal value usefulness of a record in complying with statutes and regulations, as evidence in legal proceedings, as legal proof of business transactions, or to…
legend The reference area on a map that lists and explains the colors, symbols, line patterns, shadings, and annotation used on the map.
Legislation The act of giving or enacting laws; the power to make laws via legislation in contrast to courtmade laws.
legislative day A "day" that starts when the Senate meets after an adjournment and ends when the Senate next adjourns.
legislative session That part of the Senate's daily session in which it considers legislative business (bills, resolutions, and actions related thereto).
Legitimate That which is legal, lawful, recognized by law or according to law.
Legitimate source of wage information Legitimate source of wage information is a survey that meets all the criteria set forth in 20 C.F.R. §655.731(b)(3)(iii)(C).
Legitimation The legal process which a natural father can use to acknowledge legally his children who were born out of wedlock (outside of marriage).
Legume A member of the pea family that possesses root nodules containing nitrogen-fixing bacteria.
LEI Low Endoatmospheric Interceptor.
leiomyoma (LY-oh-my-OH-muh) A benign smooth muscle tumor, usually in the uterus or gastrointestinal tract. Also called fibroid.
leiomyosarcoma (LY-oh-MY-oh-sar-KOH-muh) A malignant (cancerous) tumor of smooth muscle cells that can arise almost anywhere in the body, but is most common in the…
LEIP Link Eleven Improvement Program (USN term).
Lek A communal mating area within which males of certain species hold small territories, which they use solely for courtship and copulation.
LEL Low Energy Laser.
LELWS Low Energy Laser Weapon System.
LEM Logistics Element Manager (ILS term).
lemma The canonical form of a word. Lemmas are significant in highly inflected languages such as Czech.
Lemmatization Utilizing lemmatization enables the search system to recognize and match different grammatical forms of a word.
Lemmatization by expansion A type of lemmatization which expands words into the full set of inflected forms.
Lemmatization by reduction A type of lemmatization, also referred to as "base form reduction", that normalize indexed terms and query terms to their grammatical base form.
lemon A small, yellow citrus fruit that is a source of citric acid and ascorbic acid (vitamin C).
lenalidomide (leh-nah-LID-oh-mide) A drug that is similar to thalidomide, and is used to treat multiple myeloma and certain types of anemia.
Lender An individual or financial institution that lends money with the expectation that the money will be returned with interest.
Lender Option Commitments An agreement giving a lender the option to deliver loans or securities by a certain date at agreed upon terms.
Lender-Placed Insurance insurance placed on a home or property by a lender to protect their interest in the collateral which secures the loan.
Length The distance in the direction of flow between two specific points along a river, stream, or channel.
length indicator (LI) A six-bit field that defines message length and that is used to differentiate between message signal units, link status signal units, and fill-in signal…
Length of dam. See crest length.
Leniency Recommendation for a sentence less than the maximum allowed.
lens (lenz) A clear disk that focuses light, as in a camera or microscope. In the eye, the lens is a clear, curved structure at the front of the eye behind the pupil.
Lentic Still water systems such as lakes and reservoirs.
Lentic environment An aquatic ecosystem in which the water is still and not rapidly moving, such as is found in ponds and swamps.
Lentic System A nonflowing or standing body of fresh water, such as a lake or pond. Compare lotic system.
Lenticular Cloud A very smooth, round or oval, lens-shaped cloud that is often seen, singly or stacked in groups, near or in the lee of a mountain ridge.
lentinan A beta-glucan (a type of polysaccharide) from the mushroom Lentinus edodes (shiitake mushroom). It has been studied in Japan as a treatment for cancer.
LEO Low Earth Orbit.
Leontief inversion approach A mathematical technique which is used at BEA to estimate the input-output (I-O) total requirement coefficients and RIMS II multipliers.
LEP-ETU A form of the anticancer drug paclitaxel that is contained in very tiny, fat-like particles.
lepirudin A drug that inhibits blood clotting. It is being studied in cancer treatment.
Leptin A hormone produced by the placenta and fetal tissues that acts as a growth factor and modulator of metabolic and immune functions.
leptomeningeal (LEP-toh-meh-NIN-jee-ul) Having to do with the two innermost meninges (thin layers of tissue that cover and protect the brain and spinal cord).
leptomeningeal cancer (LEP-toh-meh-NIN-jee-ul KAN-ser) A tumor that involves the two innermost meninges (thin layers of tissue that cover and protect the brain and spinal cord).
leptomeningeal metastasis (LEP-toh-meh-NIN-jee-ul meh-TAS-tuh-sis) Cancer that has spread from the original (primary) tumor to the two innermost meninges (thin layers of tissue…
leptonema Stage in meiosis immediately preceding synapsis and post DNA replication, in which the chromosomes appear as single, fine, threadlike structures.
leptotene (adj.) See: leptonema.
LERG Assigne The SP responsible for default routing functions associated with a pooled NXX code.
LERG™ Routing Guide The TelcordiaÃÂ® LERGÃ¢ÂÂ¢ Routing Guide contains information about the local routing data obtained from the BIRRDS.
leridistim A substance being studied for its ability to stimulate the production of blood cells during chemotherapy. It is a type of colony-stimulating factor.
lerisetron (leh-RIH-seh-tron) A substance being studied in the treatment of nausea and vomiting caused by cancer treatment.
lesion (LEE-zhun) An area of abnormal tissue. A lesion may be benign (noncancerous) or malignant (cancerous).
Less-than-Container-Load (LCL) The quantity of freight which is less than that required for the application of a full container load rate.
lestaurtinib (leh-STOR-tih-nib) A drug being studied in the treatment of acute leukemias and some other types of cancer.
lethal allele A mutant form of a gene that, in the homozygous state, is fatal.
lethal gene See: lethal allele.
lethal mutation See: lethal allele.
Lethargy (LEH-thur-jee) A condition marked by drowsiness and an unusual lack of energy and mental alertness.
Lethe A measure of air purity that is equal to one complete air change (in an interior space).
letrozole (LET-ruh-zole) A drug used to treat advanced breast cancer in postmenopausal women. Letrozole causes a decrease in the amount of estrogen made by the body.
LETS LWIR Environment and Threat Simulation.
Letter of Agreement (LOA). See Memorandum of Understanding (MOU).
Letter of Wishes A letter of wishes is a document that purportedly has no legal status. In fact the document is used to transmit the wishes of the creator or the alleged…
letter-by-letter arrangement A sorting technique that orders entries based on each character in a heading without regard for spaces or punctuation See also word-by-word arrangement.
letterhead A preset design that appears at the top of an e-mail message.
letters patent -- see patent
leucovorin (LOO-koh-VOR-in) The active ingredient in a drug used to reduce the toxic effects of folic acid antagonists (substances that block the action of folic…
leucovorin calcium (LOO-koh-VOR-in KAL-see-um) A drug used to reduce the toxic effects of folic acid antagonists (substances that block the action of folic acid), especially…
leukapheresis (LOO-kuh-feh-REE-sis) Removal of the blood to collect specific blood cells. The remaining blood is returned to the body.
leukemia (loo-KEE-mee-uh) Cancer that starts in blood-forming tissue such as the bone marrow and causes large numbers of blood cells to be produced and enter the…
Leukemia inhibitory factor A cell messenger protein originally noted for inhibition of mouse M1 myeloid leukemia cells that also has effects including inhibiting differentiation to…
Leukemia inhibitory factor (LIF) A growth factor necessary for maintaining mouse embryonic stem cells in a proliferative, undifferentiated state.
Leukocyte (LOO-koh-site) A white blood cell. Refers to a blood cell that does not contain hemoglobin.
Leukocyte (White Blood Cell) The general name for a white blood cell. Leukocytes are responsible for maintaining the immune system's response to foreign substances and infection.
Leukocyte common antigen Cell-surface molecule found on white blood cells and white blood cell progenitors. Also referred to as CD45.
Leukocytosis Increase in total white blood cell count.
Leukopenia (LOO-koh-PEE-nee-uh) A condition in which the number of leukocytes (white blood cells) in the blood is reduced.