20-letter words containing m, e, t, r, a, l
- least-squares method — a method of estimating values from a set of observations by minimizing the sum of the squares of the differences between the observations and the values to be found.
- letters testamentary — a document issued by the probate court or some officer who has authority, directing the person named as executor in a will to act in that capacity
- lieutenant commander — a commissioned officer ranking next below a commander and next above a lieutenant.
- life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
- like death warmed up — very ill
- linage advertisement — advertisements which are costed and paid for according to the number of lines in them
- literate programming — (programming, text) Combining the use of a text formatting language such as TeX and a conventional programming language so as to maintain documentation and source code together. Literate programming may use the inverse comment convention.
- lonely hearts column — the part of a newspaper or magazine where lonely hearts ads appear
- lower yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park, that is 98 m (320 ft) high
- lump in one's throat — the passage from the mouth to the stomach or to the lungs, including the pharynx, esophagus, larynx, and trachea.
- macular degeneration — degeneration of the central portion of the retina, resulting in a loss of sharp vision.
- magical mystery tour — something exciting and mysterious; esp an exploration of a new place where somebody being shown or taken around does not know where exactly they will be going
- magnetoencephalogram — a record of the magnetic field of the brain. Abbreviation: MEG.
- mail transport agent — Message Transfer Agent
- mail-order catalogue — a catalogue of goods you can buy from a particular company by mail order
- make head (n)or tail — If you say that you cannot make head nor tail of something or you cannot make head or tail of it, you are emphasizing that you cannot understand it at all.
- make head or tail of — to attempt to understand (a problem, etc)
- mannitol hexanitrate — a colorless, crystalline, water-insoluble, explosive solid, C 6 H 8 N 6 O 1 8 , used as a fulminating agent in percussion caps and in the treatment of hypertension and coronary insufficiency.
- mare tranquillitatis — (Sea of Tranquillity) a dark plain in the first quadrant of the face of the moon: about 110,000 sq. mi. (285,000 sq. km).
- margaret of scotland — Saint. 1045–93, queen consort of Malcolm III of Scotland. Her piety and benefactions to the church led to her canonization (1250). Feast days: June 10, Nov 16
- maria theresa thaler — a former silver coin of Austria, issued between 1740 and 1780 and used for trade with Ethiopia and other countries; Levant dollar.
- marquis de lafayette — Marie Joseph Paul Yves Roch Gilbert du Motier [ma-ree zhaw-zef pawl eev rawk zheel-ber dy maw-tyey] /maˈri ʒɔˈzɛf pɔl iv rɔk ʒilˈbɛr dü mɔˈtyeɪ/ (Show IPA), Marquis de. Also, La Fayette. 1757–1834, French soldier, statesman, and liberal leader, who served in the American Revolutionary Army as aide-de-camp to General Washington, and took a leading part in the French revolutions of 1789 and 1830.
- master of the revels — an English court official from the late 15th to early 18th centuries responsible to the Lord Chamberlain for overseeing and paying for court entertainments.
- material equivalence — equivalence (def 4b).
- material implication — equivalence (def 4a).
- material-equivalence — the state or fact of being equivalent; equality in value, force, significance, etc.
- maternal deprivation — the lack of a mother in a child's life, considered a cause of psychological problems later in life
- maternal health care — care for the health of a pregnant woman provided by a hospital or health centre
- measure one's length — to fall, lie, or be thrown down at full length
- media access control — (networking) (MAC) The lower sublayer of the OSI data link layer. The interface between a node's Logical Link Control and the network's physical layer. The MAC differs for various physical media. See also MAC Address, Ethernet, IEEE 802.3, token ring.
- medical practitioner — doctor
- medical underwriting — Medical underwriting is the use of medical or health status information in the evaluation of an applicant for life or health insurance.
- member of parliament — A Member of Parliament is a person who has been elected by the people in a particular area to represent them in a country's parliament. The abbreviation MP is often used.
- membranous labyrinth — an intricate combination of paths or passages in which it is difficult to find one's way or to reach the exit. Synonyms: maze, network, web.
- menstrual extraction — an abortion procedure involving suction aspiration of the uterine contents early in gestation, before the first missed menstrual period: sometimes performed later.
- meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
- methyl chloroformate — a colorless liquid, C 2 H 3 ClO 2 , used chiefly in organic synthesis.
- microcrystalline wax — Microcrystalline wax is a wax used as a stiffening agent and as a coating agent for tablets and capsules.
- middle-distance race — a race of a length between the sprints and the distance events, esp the 800 metres and the 1500 metres
- miliary tuberculosis — tuberculosis in which the bacilli are spread by the blood from one point of infection, producing small tubercles in other parts of the body.
- military engineering — the design, construction, etc, of military fortifications and communications
- military superiority — the power, strength, or numbers of armed forces of a country viewed as an advantage over another country
- minimum lending rate — the official interest rate charged by the Bank of England and below which it will refrain from lending money.
- mitral insufficiency — abnormal closure of the mitral valve resulting in regurgitation of blood into the atrium and leading to reduced heart function or heart failure.
- molecular gastronomy — an approach to cooking in which a chef’s knowledge of physics, chemistry, and biology allows him or her to experiment with unusual flavour combinations and cooking techniques
- molecular geneticist — a specialist in the study of the molecular constitution of genes and chromosomes
- most general unifier — (logic) If U is the most general unifier of a set of expressions then any other unifier, V, can be expressed as V = UW, where W is another substitution. See also unification.
- mother of the chapel — (in British trade unions in the publishing and printing industries) a woman shop steward
- mother-of-pearl moth — a pyralid moth, Pleuroptya ruralis, having a pale sheen, that is often seen around nettles, on which its green larvae feed
- multicast addressing — Ethernet addressing scheme used to send packets to devices of a certain type or for broadcasting to all nodes. The least significant bit of the most significant byte of a multi-cast address is one.