| Scrabble Word | Definition |
| macroevolution21 | Large-scale patterns or processes in the history of life, including the origins of novel organism designs, evolutionary trends, adaptive radiations and extinctions. |
| microevolution21 | Small-scale changes in the history of life, such as changes in allele frequencies in a population (over a few generations); also known as change at or below the species level. |
| microinjection27 | injection (especially of biological material) using a micropipette |
| micropulsation20 | A very small, change in the strength of the magnetic field of the Earth. |
| militarization25 | The process whereby some area of land or procedure becomes controlled by the military or administered in a military fashion. |
| mineralization25 | A form of fossilization in which the organic parts of an organism are replaced by minerals. |
| misapplication22 | The misuse of something, incorrectly using (applying) something, a wrong application. |
| misattribution18 | The act or process of misattributing. |
| miscalculation20 | An incorrect or mistaken calculation |
| miscomputation22 | The incorrect performance of a computation. |
| miscorrelation18 | incorrect correlation |
| misdescription21 | An inaccurate description, often fraudulent. |
| misinformation21 | Information that is incorrect. |
| misorientation16 | An incorrect or inappropriate orientation. |
| missionization25 | The religious work of a missionary. |
| mistranslation16 | An incorrect translation. |
| misutilization25 | misuse |
| mongrelization26 | The act of mongrelizing |
| monopolization27 | The act of monopolizing or the state of being monopolized. |
| multiplication20 | (uncountable, arithmetic) The process of computing the sum of a number with itself a specified number of times, or any other analogous binary operation that combines other mathematical objects. |
| Scrabble Word | Definition |
| machicolation22 | (architecture) An opening between corbels that support a projecting parapet, or in the floor of a gallery or the roof of a portal, of a fortified building from which missiles can be shot or heated items dropped upon assailants attacking the base of the walls. |
| macroglobulin20 | A plasma globulin of high molecular weight |
| magnetization25 | The act of magnetizing, or the state of being magnetized |
| magnification21 | The act of magnifying; enlargement; exaggeration. |
| malabsorption19 | The state arising from abnormality in digestion or absorption of food nutrients across the gastrointestinal tract. |
| malacostracan19 | (zoology) Any of very many crustaceans of the class Malacostraca |
| maladaptation18 | (evolutionary theory or psychology) The state of being poorly adapted to an environment |
| manifestation18 | The act or process of becoming manifest. |
| martyrization27 | The act or process of martyrizing. |
| mastigophoran21 | (zoology) Any member of superclass Mastigophora of protozoa. |
| mathematician22 | An expert on mathematics. |
| matriculation17 | enrollment in a college or university |
| mechanization29 | The use of machinery to replace human or animal labour, especially in agriculture and industry. |
| mediterranean16 | |
| megalopolitan18 | An inhabitant or a resident of a megalopolis. |
| mercerization26 | Alternative form of mercerisation |
| mesencephalon22 | A part of the brain located rostral to the pons and caudal to the thalamus and the basal ganglia, composed of the tectum (dorsal portion) and the tegmentum (ventral portion). |
| metallization24 | (physics) The act or process of metallizing |
| metaphysician25 | (philosophy) A philosopher who specializes in the scholarly study of metaphysics. |
| metencephalon22 | (neuroanatomy) The portion of the embryonic rhombencephalon from which the pons and cerebellum arise. |
| Scrabble Word | Definition |
| majoritarian21 | Supporting the dominance of the majority over the minority. |
| malformation19 | An abnormal formation. |
| malnutrition14 | A lack of adequate nourishment. |
| malocclusion18 | (dentistry) A misalignment of the upper and lower sets of teeth. |
| malversation17 | corrupt behaviour, illegitimate activity, especially by someone in authority |
| manipulation16 | The practice of manipulating or the state of being manipulated. |
| masturbation16 | Manual erotic stimulation of the genitals or other erotic regions, often to orgasm, either by oneself or a partner. |
| maximization32 | The act of raising something to its greatest value or extent. |
| melanization23 | (biochemistry) Conversion into melanin, or an increase in the concentration of melanin within (a tissue or organism) |
| memorization25 | The act of committing something to memory or memorizing. |
| menstruation14 | The periodic discharging of the menses, the flow of blood and cells from the lining of the uterus in unfertilized females of humans and other primates. |
| metropolitan16 | (Christianity) A bishop empowered to oversee other bishops; an archbishop. [from 15th c.] |
| minimization25 | The act of lowering something to its smallest value or extent. |
| ministration14 | The act of ministering. |
| misdirection17 | An act of misleading, of convincing someone to concentrate in an incorrect direction. |
| miseducation17 | The act or process of miseducating; incorrect education. |
| misquotation23 | An incorrect quotation. |
| mobilization25 | The act of mobilizing |
| modification20 | (obsolete, philosophy) The form of existence belonging to a particular object, entity etc.; a mode of being. [17th–19th c.] |
| monetization23 | The conversion of something (especially metal) into money. |
| Scrabble Word | Definition |
| maceration14 | The act or process of macerating. |
| maculation14 | (obsolete) The act of spotting; a spot; a blemish. |
| mangosteen13 | A tropical fruit of the tree genus Garcinia. |
| marination12 | The process of marinating. |
| markswoman21 | A woman skilled at hitting targets, as with a firearm, bow, or thrown object. |
| markswomen21 | plural of markswoman |
| maturation12 | The process of becoming mature. |
| mavourneen15 | (Ireland) darling, sweetheart |
| medication15 | A medicine, or all the medicines regularly taken by a patient. |
| meditation13 | A devotional exercise of, or leading to contemplation. |
| meromyosin17 | (biochemistry) Either of the two subunits of myosin that are formed by the action of trypsin |
| mesenteron12 | (anatomy) The midgut. |
| midsection15 | The middle section of something. |
| midshipman20 | (nautical) An officer of the lowest rank in several navies; especially, a trainee officer. |
| midshipmen20 | plural of midshipman |
| militiaman14 | A member of a militia. |
| militiamen14 | plural of militiaman |
| miscaption16 | An erroneous caption. |
| misprision14 | (law) Criminal neglect of duty or wrongful execution of official duties. |
| missileman14 | A member of the military responsible for missile launches. |
| Scrabble Word | Definition |
| magnesian12 | Containing magnesia (magnesium oxide) |
| magnetron12 | (physics) a device in which electrons are made to resonate in a specially shaped chamber and thus produce microwave radiation; used in radar, and in microwave ovens |
| malathion14 | An organophosphorus insecticide, Diethyl [(dimethoxyphosphinothioyl)-thio]butanedioate. |
| malvasian14 | |
| mammalian15 | of, or pertaining to, mammals |
| manhattan14 | Alternative spelling of Manhattan (“cocktail”). |
| mannequin20 | A dummy, or life-size model of the human body, used for the fitting or displaying of clothes |
| marmorean13 | (obsolete) marmoreal. |
| mausolean11 | Of, pertaining to, or similar to, a mausoleum. |
| mavournin14 | Alternative form of mavourneen |
| mayhappen21 | (obsolete or dialect) maybe, perhaps. |
| medaillon12 | (cooking) Synonym of medallion |
| medallion12 | A large medal, usually decorative. |
| mediation12 | Negotiation to resolve differences conducted by an impartial party. |
| melatonin11 | A hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep/wake and reproductive cycles in mammals. |
| mellotron11 | (music) An early electronic keyboard instrument that played back prerecorded sounds. |
| melphalan16 | A particular drug used in chemotherapy. |
| mentation11 | Mental activity; the process of thinking. |
| merbromin15 | (medicine) A topical antiseptic that is an organomercury derivative of fluorescein |
| mercaptan15 | (chemistry) Any of a class of organic compounds of sulphur, ( R1.S.R2 ); they tend to be foul-smelling. When R2 is a hydrogen atom, they are termed thiols or thioalcohols. |
| Scrabble Word | Definition |
| macaroon12 | A soft biscuit or cookie prepared with almond or coconut dough. |
| macruran12 | (zoology) Any of many decapod crustaceans, such as the lobster and shrimp, that were once included in the subdivision Macrura |
| madwoman16 | A woman who is insane. |
| madwomen16 | plural of madwoman |
| magdalen12 | |
| magician13 | A person who plays with or practices allegedly supernatural magic. |
| magneton11 | (physics) any of several units of magnetic moment of an atom, molecule or subatomic particle |
| maintain10 | (obsolete, transitive) To support (someone), to back up or assist (someone) in an action. [14th-19thc.] |
| malarian10 | (dated) Relating to malaria; malarial. |
| mandarin11 | (historical) a high government bureaucrat of the Chinese Empire [from 1580s] |
| mandolin11 | (music) a stringed instrument and a member of the lute family, having eight strings in four courses, frequently tuned as a violin, and with either a bowl-shaped back or a flat back |
| manganin11 | Any of several alloys of copper, manganese and nickel used in the manufacture of electrical resistors because of the thermal stability of their resistance |
| mannikin14 | Alternative form of manikin (little man) |
| marathon13 | A 42.195 kilometre (26 mile 385 yard) road race. |
| margarin11 | Archaic form of margarine. |
| markdown18 | A reduction in price in order to stimulate sales. |
| marksman16 | A man or person skilled at hitting targets, as with a firearm, bow, or thrown object. |
| marksmen16 | plural of marksman |
| marocain12 | A heavy crepe fabric of silk, wool, or both, having a cross-ribbed texture, used for apparel. [from early 20th c.] |
| martagon11 | The Turk's cap lily, Lilium martagon. [from 15th c.] |
| Scrabble Word | Definition |
| madzoon19 | Alternative form of matzoon |
| mailman11 | (Canada, US) someone (implied male) who delivers mail to, and/or collects mail from, residential or commercial addresses, or from public mailboxes |
| mailmen11 | plural of mailman |
| malison9 | (obsolete) A curse, a malediction. |
| manakin13 | Any of several small South American passerine birds of the family Pipridae. |
| manikin13 | Alternative spelling of mannequin. |
| mansion9 | A large house or building, usually built for the wealthy. |
| marchen14 | |
| martian9 | (nonstandard) Alternative letter-case form of Martian (“of or pertaining to the planet Mars”). |
| matzoon18 | A yoghurt-like dairy product of Armenian origin, made from fermented cow's milk, and popular mainly in Armenia and Georgia. |
| maudlin10 | (obsolete, Christianity) The Magdalene; Mary Magdalene. [14th-16th c.] |
| maximin18 | In decision theory and game theory etc, a rule to identify the worst outcome of each possible option to find one's best (maximum payoff) play. |
| meatman11 | A butcher; one who prepares or sells meat. |
| meatmen11 | plural of meatman |
| medusan10 | (zoology) Relating to the medusas. |
| megaron10 | (architecture, historical) The rectangular great hall in a Mycenaean building, usually supported with pillars. |
| megaton10 | A measure of the strength of an explosion or a bomb based on how many million tons of TNT would be needed to produce the same energy. |
| melanin9 | Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers. |
| menazon18 | (chemistry) A chemical compound (C6H12N5O2PS2) used as an organophosphate insecticide. |
| menshen12 | |
| Scrabble Word | Definition |
| macron10 | (orthography) A short, straight, horizontal diacritical mark (¯) placed over any of various letters, usually to indicate that the pronunciation of a vowel is long. [from 19th c.] |
| madden10 | (transitive) To make angry. |
| madman11 | A male who is insane or mentally disturbed. |
| madmen11 | plural of madman |
| magian9 | |
| maiden9 | (now chiefly literary) A girl or an unmarried young woman. |
| malign9 | Evil or malignant in disposition, nature, intent or influence. |
| malkin12 | (now archaic, regional) A (stereotypical name for a) lower-class or uncultured woman; a kitchenmaid; a slattern. [from 13th c.] |
| mammon12 | Alternative letter-case form of Mammon (wealth, material avarice). |
| mannan8 | (biochemistry) A plant polysaccharide that is a highly branched polymer of mannose (or galactose or glucose). |
| margin9 | (typography) The edge of the paper, typically left blank when printing but sometimes used for annotations etc. |
| marlin8 | Any species of game fish belonging to either of the genera Tetrapturus or Makaira. Every such species has a pointed, spear-like projection of the upper jaw. |
| maroon8 | An escaped negro slave of the Caribbean and the Americas or a descendant of escaped slaves. [from 17th c.] |
| marron8 | A sweet chestnut. [from 19th c.] |
| marten8 | Any carnivorous mammal of the genus Martes in the family Mustelidae. |
| martin8 | Any of various passerine birds of the family Hirundinidae, which also includes swallows, that catch insects whilst flying. |
| mascon10 | A region within a solid astronomical body that is of higher density than the surrounding material. |
| matron8 | A mature or elderly woman. |
| mattin8 | Apocopic form of mattino |
| mayvin14 | |
| Scrabble Word | Definition |
| macon9 | A form of cured mutton resembling bacon. |
| mason7 | A bricklayer, one whose occupation is to build with stone or brick |
| matin7 | of or relating to matins |
| maven10 | (chiefly US) An expert in a given field. |
| mavin10 | Alternative form of maven |
| mayan10 | |
| melon7 | (countable) Any of various plants of the family Cucurbitaceae grown for food, generally not including the cucumber. |
| meson7 | (rare outside entomology) The mesial plane dividing the body into similar right and left halves. |
| mirin7 | A form of Japanese rice wine, less alcoholic than sake. |
| mizen16 | Alternative spelling of mizzen |
| moron7 | (informal, derogatory) A stupid person; an idiot; a fool. |
| mourn7 | (transitive, intransitive) To express sadness or sorrow for; to grieve over (especially a death). |
| mucin9 | (biochemistry) Any of several glycoproteins found in mucus |
| muton7 | (genetics) A unit of mutation forming part of a recon. |
| Scrabble Word | Definition |
| main6 | Of chief or leading importance; prime, principal. [from 15th c.] |
| maun6 | (intransitive, obsolete) To have to; must. |
| mawn9 | (Scotland, dialect) A maund; a basket or hamper. |
| mean6 | To intend. |
| mien6 | (countable, uncountable) Demeanor; facial expression or attitude, especially one which is intended by its bearer. |
| moan6 | a low, mournful cry of pain, sorrow or pleasure |
| moon6 | (with "the", singular only) Alternative letter-case form of Moon; the Earth's only permanent natural satellite. |
| morn6 | (now poetic) Morning. |
| mown9 | past participle of mow |
| muon6 | (physics) An unstable elementary particle in the lepton family, having similar properties to the electron but with a mass 207 times greater. |