Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z megatheriid Any in the family Megatheriidae of ground sloths. megatherioid Relating to, or characteristic of a megatherium megatherium A ground sloth of the extinct genus Megatherium, esp. the megathere megatherm A plant (or other organism) that needs a constant warm environment megathermal Having relatively high temperatures throughout the year megathermic Relating to megatherms megatheroid One of a family of extinct edentates found in America, including the megatherium and the megalonyx, among others. megatheropod Any theropod dinosaur that exceeds 3000 kilograms in weight, and 9 meters in length. megathread An extremely long discussion thread. megathrombocyte A very large thrombocyte megathrombocytopenia Synonym of macrothrombocytopenia. megathrombocytosis Synonym of macrothrombocytosis. megathrust A sudden large-scale slip along a fault between a subducting and an overriding plate, resulting in a major earthquake. megathymid Any skipper in the family Megathymidae, now considered to be part of the Hesperiidae, perhaps as the subfamily Megathyminae. megatick A greatly desirable addition to the list of birds one has seen, usually because it is rare or seldom seen. megatidal Having a large tidal range megaton 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. (A derived unit for TNT equivalent.) megatonnage The destructive power of an explosive, measured in megatons. megatoothed Having large teeth, but especially of the megalodons megatour A very large-scale or highly successful tour. megatower A very tall tower. megatracksite A site showing geological evidence of very large numbers of fossil tracks or trace fossils. megatragedy A huge tragedy. megatransposon A relatively large transposon megatrend A major trend; a very large-scale trend megatrial A very large trial (of a pharmaceutical etc), sometimes made up of several normal trials. megatrillion A great number of trillions. megatron A disc-seal tube, used in lighthouses or submersibles. megatropolis a very large city megatsunami An extremely large tsunami-like wave caused by an avalanche or landslide displacing large amounts of water very quickly. megaturbidite A turbidite formed by a large-scale turbidity current. megatype An enlarged print megatypy enlargement megaunit A unit equal to one million of another unit. megaureter abnormal dilation of the ureter megavariate Having very many variables megaverdict A legal verdict that awards damages of a million dollars or more. megaverse A theoretical higher-order universe that contains multiple (possibly an infinite number of) pocket universes within it. megavertebrate An especially large vertebrate. megaviral Or of relating to a megavirus. megavirus Any virus of the family Mimiviridae megaviscera enlargement of the viscera, typically leading to an obstruction megavisceral Relating to megaviscera megavitamin Involving megadoses of vitamins. megavitamins megadoses of vitamins megavolt One million (10⁶) volts. Symbol: MV. megavoltage A voltage in the region of millions of volts. megavoxel A million (or 2²⁰) voxels Megaw A surname from Scottish Gaelic. megawarhol A unit of fame equal to 1 million warhols, or 15 million minutes of fame (about 28.5 years). megawatt One million (1 000 000) watts, an amount of power large enough to power such things as an entire commercial building or a small passenger aircraft. (Consuming 1 megawatt during a duration of 1 hour consumes 1 megawatt-hour of energy.) megawattage An amount of power expressed in megawatts. megawealth Very great wealth. megawealthy Extremely wealthy. megaweapon An extremely powerful weapon. megawhaleback A very large whaleback megawoman A very large or powerful woman. megaword A unit of storage or capacity equal to 10⁶ (or 2²⁰) words megayacht A very large luxury yacht. megayear A million years: a thousand thousand years. megazoo A very large zoo. megazooid A large motile daughter cell of certain unicellular algae. megazoosporange A sporangium that contains megazoospores megazoospore A relatively large algal zoospore megazostrodontid Any mammaliaform cynodont in the family Megazostrodontidae. Megee A surname from Irish. megestrol A steroidal progestin. Meggan A female given name from Welsh, a rare nonstandard spelling of the Welsh Megan. Meggen A municipality in Lucerne district, Lucerne canton, Switzerland. megger A megohmmeter. Meggie A diminutive of the female given name Margaret. meggings tights or leggings for men. Megginson A surname. Meggitt A surname. Meggs A surname. Meggy A diminutive of the female given name Margaret. Meghaduta 4th century Sanskrit poem written by Kalidasa, in which a yaksha sends a message to his wife via a passing cloud. Meghalaya A state in northeastern India. Capital: Shillong. Meghalayan Of or pertaining to Meghalaya. Meghan A female given name from Welsh, a pseudo-Irish spelling of the Welsh Megan. Meghanada The son of Ravana in the Hindu epic Ramayana. Meghann A female given name from Welsh, a rare modern spelling variant of Megan. meghli A Lebanese rice pudding. Meghna One of the three major rivers of Bangladesh which forms the Ganges delta, along with the Ganges (Padma) and Brahmaputra (Jamuna). Meghnada Indrajit, the eldest son of Ravana and the crown prince of Lanka. Meghri A town in Syunik Province in the south of Armenia Megia A surname from Spanish. Megiddo Mount Megiddo, site of an ancient city in northern Israel's Jezreel valley Megill A surname from Irish. megillah Any of the Five Scrolls of the Hebrew Scriptures (Song of Songs, Ruth, Lamentations, Ecclesiastes, and Esther) megilp A mixture of linseed oil with turpentine or mastic varnish, used as a thickener for oil paints but later discredited as a source of cracking and yellowing. Megion A town in Khanty-Mansi Autonomous Okrug, Russia. megisthanid Any mite in the family Megisthanidae. megistotherm A plant requiring a very high temperature for growth. Meglenitic The Megleno-Romanian language. meglitinide Any of a class of drugs used to treat type 2 diabetes. meglumine An amino sugar derived from sorbitol. meglutol A hypolipidemic agent. Megna A surname. mego information that is too technical or difficult for the audience to understand, though they may be too embarrassed to ask questions or admit their confusion. megohmmeter An instrument that measures extremely high resistances, in megaohms. megophryid Any frog in the family Megophryidae. Megrel Mingrelian, Megrelian Megrelian Mingrelian Megrez Delta Ursae Majoris, a star in the constellation of Ursa Major and part of the Plough. megrim A headache; a migraine. megrimish headachy megrims Chiefly preceded by the: depression, low spirits, unhappiness. megrivirus Any virus of the genus Megrivirus megs A diminutive of the female given names Margaret and Megan. megstie An expression of surprise. Megumi A female given name from Japanese. Megxit The (initially hypothetical) departure of Meghan, Duchess of Sussex, from the British royal family; the January 2020 decision of Prince Harry and Meghan to step back from duties as senior members of the British royal family. Megyn A female given name from Welsh, modern variant of Megan. meh Mediocre; lackluster; unexceptional; uninspiring. Mehaffey A surname from Irish. Mehala A neighbourhood of Timișoara, Timiș County, Romania. mehalek A former currency of Abyssinia. Mehan A surname. mehari A type of fast-running dromedary camel, which can be used for racing or transport. meharist A mehari rider, especially in a military unit. Mehboob A male given name from Arabic. Mehdi A male given name from Persian. Meherrin A member of a group of Native Americans of rural northeastern North Carolina. Mehetabel A female given name from Hebrew. Meheut A surname from French. mehfil In parts of South Asia, a gathering where poetry or classical music is performed for a small audience in an intimate setting. mehh Elongated form of meh (“expressing indifference etc.”). Mehinaku An indigenous people of Brazil, inhabiting the Xingu Indigenous Park. Mehitabel A female given name from Hebrew. Mehler A surname. Mehling A surname. Mehlinger A surname. Mehlman A surname from German. mehmandar An official courier appointed to escort an important traveller in Persian-speaking countries and the Indian subcontinent. Mehmed A male given name from Turkish, variant of Muhammad. Mehmedovic A surname from Serbo-Croatian. Mehmet A male given name from Turkish, variant of Muhammad. Mehmood A surname. mehndi A henna plant (Lawsonia inermis). mehopes I hope. Mehr The seventh solar month of the Persian calendar. Mehra A surname. Mehrabian A surname. Mehran A transliteration of the Persian male given name مهران (mehrân). Mehrauli A neighbourhood in South Delhi, India. Mehrdad A male given name of Persian usage. Mehrer A surname from German. Mehri A Semitic ethnic group primarily inhabiting South Arabia and the Guardafui Channel island of Socotra. Mehring A surname.