Showing 1,701 to 1,800 of 3,132.
- LEUCOOf or relating to leuco dyes and their related compounds.
- LEUCOMAAn opaque area or scar on the cornea of an eye
- LEUKEMIAAny of a class of types of cancer affecting the blood cells, especially the white blood cells (usually with massive leukocytosis), and the blood cell–forming (hematopoietic) tissue
- LEXISThe set of all words and phrases in a language; any unified subset of words from a particular language.
- LICENSEA legal document giving official permission to do something; a permit.
- LICHENAny of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow-to-blue–green patches on rocks, old walls, etc.
- LICORICEA plant of species Glycyrrhiza glabra, or sometimes in North America, the related American licorice plant Glycyrrhiza lepidota.
- LIENTERYA form of diarrhea in which food passes through the body with little or no digestion.
- LIGUREA gemstone, supposed to have been a form of agate
- LILYAny of several flowers in the genus Lilium of the family Liliaceae, which includes a great many ornamental species.
- LIMONITEAny of several natural hydrous iron oxides; often a mixture of goethite and hematite with clays and manganese oxide.
- LIONA big cat, Panthera leo, native to Africa, India and formerly much of Europe.
- LIPIDAny of a group of organic compounds including the fats, oils, waxes, sterols, and triglycerides. Lipids are characterized by being insoluble in water.
- LIPOGRAMA word or writing that does not use a particular symbol or symbols.
- LIPOSOMEAn aqueous compartment enclosed by a bimolecular membrane, typically of phospholipid; a lipid vesicle.
- LIQUIDA substance that is flowing, and keeping no shape, such as water; a substance of which the molecules, while not tending to separate from one another like those of a gas, readily ch
- LITANYA ritual liturgical prayer in which a series of prayers recited by a leader are alternated with responses from the congregation.
- LITHARGElead monoxide (PbO) a toxic solid formed from oxidation of lead in air, and used as a pigment.
- LITHIALithium oxide, Li2O, used in the manufacture of ceramics and glass.
- LITHIUMThe simplest alkali metal, the lightest solid element, and the third lightest chemical element (symbol Li) with an atomic number of 3 and atomic weight of 6.94. It is a soft, silve
- LITHOPONEA white pigment, a mixture of barium sulfate and zinc sulfide, used in paints and enamels.
- LITHOTOMEAn instrument used for cutting the bladder to remove a calculus; a cystotome.
- LITHOTRIPSYA treatment, typically using ultrasound shock waves or crushing with a surgical instrument, by which a kidney stone or similar calculus is broken into particles small enough to be
- LITOTESA figure of speech whereby something is stated by denying its opposite. The negation of a negative quality to assert a positive.
- LITREThe metric unit of fluid measure, equal to one cubic decimetre. Symbol: L, l, or ℓ.
- LITURGICliturgical
- LITURGYA predetermined or prescribed set of rituals that are performed, usually by a religion; a book in which they are recorded.
- LOBEAny projection or division, especially one of a somewhat rounded form.
- LOBUSA lobe.
- LOCHIANormal post-partum vaginal discharge; blood, mucus, and placental tissue that are discharged from a female's vagina (similar to menstruation) for several weeks after she has given
- LOCUSTAny of the grasshoppers, often polyphenic and usually swarming, in the family Acrididae that are very destructive to crops and other vegetation, especially migratory locusts (Locus
- LOGAOEDICOf any metre rhythmically intermediate between ordinary speech (or prose) and song (or poetry), typically combining dactyls and trochees.
- LOGARITHMFor a number x, the exponent by which a given base number must be raised in order to obtain the power x. Written logbx. For example, log101000=3 because 103=1000 and log216=4 becau
- LOGICLogical.
- LOGISTICRelating to symbolic logic.
- LOGISTICSThe process of planning, implementing, and controlling the efficient, effective flow and storage of goods, services and related information from their point of origin to point of c
- LOGOMACHYDispute over the meaning of words
- LOGOSA form of rhetoric in which the writer or speaker uses logical argument as the main form of persuasion.
- LOGOTHETEAny of various state officials or functionaries in the Byzantine Empire.
- LOOSESTRIFEAny of certain flowering plants of the genera Lythrum and Lysimachia, which are in different taxonomic families.
- LOPOLITHa mass of volcanic or igneous rock found within strata which has spilled downward into underlaying strata and forms depressed regions.
- LOTUSAny member of the genus Nelumbo of aquatic plants in the family Nelumbonaceae.
- LOVAGEA perennial Mediterranean herb, of species Levisticum officinale, with odor and flavor resembling celery.
- LYCANTHROPEA werewolf.
- LYCEUMA public hall designed for lectures, readings, or concerts.
- LYCOPODIUMA club moss of the genus Lycopodium.
- LYMPHPure water. The sap of plants.
- LYOPHILICHaving an affinity for the dispersion medium and thus not easily precipitated.
- LYOPHOBICHaving no affinity for the dispersion medium and thus easily precipitated.
- LYREAn ancient stringed musical instrument (a yoke lute chordophone) of Greek origin, consisting of two arms extending from a body to a crossbar (a yoke), and strings, parallel to the
- LYRICOf, or relating to a type of poetry (such as a sonnet or ode) that expresses subjective thoughts and feelings, often in a songlike style.
- LYSIMETERAn instrument that measures the percolation of water through soil
- LYSINany substance or antibody that can cause the destruction (by lysis) of blood cells, bacteria etc
- LYSISA plinth or step above the cornice of the podium in an ancient temple.
- MACARONIA type of pasta in the form of short tubes, typically boiled and served in soup, with a sauce, or in melted cheese; a dish of this.
- MACHINATETo devise a plot or secret plan; to conspire.
- MACHINISTA constructor of machines and engines; someone knowledgeable about machines.
- MACROVery large in scale or scope.
- MACRONA short, straight, horizontal diacritical mark (◌̄) placed over a letter, usually to indicate that the pronunciation of a vowel is long.
- MACROPHAGEA white blood cell that phagocytizes necrotic cell debris and foreign material, including viruses, bacteria, and tattoo ink. It presents foreign antigens on MHC II to lymphocytes.
- MAGEA magician, wizard, sorcerer, witch, warlock or mystic.
- MAGNESIAmagnesium oxide
- MAGNETA piece of material that attracts some metals by magnetism.
- MAGUSA magician; a conjurer or sorcerer, especially one who is a charlatan or trickster.
- MAIEUTICOf or related to the Socratic method.
- MAIEUTICSSynonym of Socratic method.
- MALACHITEA bright green mineral, a basic copper carbonate, Cu2CO3(OH)2; one of the principal ores of copper.
- MALTHAA thick mineral pitch.
- MALVOISIESynonym of malmsey (“wine”).
- MANDRAKEAny plant of the genus Mandragora, certain of which are said to have medicinal or aphrodisiac properties; the root of these plants often resembles the shape of a small person, henc
- MANDRELA round object used as an aid for shaping a material, e.g. shaping or enlarging a ring, or bending or enlarging a pipe without creasing or kinking it.
- MANIAViolent derangement of mind; madness; insanity.
- MANIACAn insane person, especially one who suffers from a mania.
- MANICCharacterized by mania or craziness; wicked.
- MANTICRelating to divination; prophetic.
- MANTICOREA beast with the body of a lion (usually red), the tail of a scorpion, and the head/face of a man with a mouth filled with multiple rows of sharp teeth (like a shark), said to be a
- MARATHONA 42.195-kilometre (26-mile-385-yard) road race.
- MARBLEA metamorphic rock of crystalline limestone.
- MARSUPIALA mammal of the infraclass Marsupialia, including those where the female has a pouch in which it rears the young through early infancy, such as kangaroos, koalas, wombats and oposs
- MARTYROne who willingly accepts being put to death or willingly accepts challenging and exposing iniquity done to oneself for adhering openly to one's religious beliefs; notably, saints
- MARTYRIUMA tomb or other edifice erected in homage to a martyr.
- MASSIFA principal mountain mass.
- MASTICAn evergreen shrub or small tree, Pistacia lentiscus (mastic tree), native to the Mediterranean.
- MASTOIDBeing the process of the temporal bone behind the ear. Being any of several bony elements that occupy a similar position in the skull of lower vertebrates.
- MATTOIDDisplaying erratic behaviour
- MEANDEROne of the turns of a winding, crooked, or involved course.
- MEDICKAny of various European and North African herbs, of the genus Medicago, several of which are grown for fodder etc.
- MEDITATETo contemplate; to keep the mind fixed upon something; to study.
- MEDLARMespilus germanica, common medlar (now often Crataegus germanica).
- MEGAVery large.
- MEGALITHA large stone slab making up a prehistoric monument, or part of such a monument. A prehistoric monument made up of one or more large stones.
- MEGARONThe rectangular great hall in a Mycenaean building, usually supported with pillars.
- MEGATHEREAn extinct, gigantic, ground sloth (Megatherium americanum) that flourished in South America during the Pleistocene epoch.
- MEIOFAUNAA group of marine or freshwater, typically benthic organisms that are intermediate in terms of size between macrofauna and microfauna, and which can pass through a 1 mm sieve, but
- MEIONITEA silicate mineral belonging to the scapolite group.
- MEIOSISA figure of speech in which something is presented as smaller or less significant than it actually appears.
- MELACONITEtenorite.
- MELACONITEStenorite.
- MELANCHOLIADeep sadness or gloom; melancholy
- MELANCHOLYBlack bile, formerly thought to be one of the four "cardinal humours" of animal bodies.