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20-letter words containing a, r, e, c, i

  • maintenance contract — a formal agreement between two parties which states that one party will keep a building, vehicle, machine, etc, belonging to the other party in good condition by regularly checking it and repairing it when necessary
  • make a/no difference — If something makes a difference or makes a lot of difference, it affects you and helps you in what you are doing. If something makes no difference, it does not have any effect on what you are doing.
  • malpighian corpuscle — Also called kidney corpuscle, Malpighian body. the structure at the beginning of a vertebrate nephron, consisting of a glomerulus and its surrounding Bowman's capsule.
  • malware as a service — (security, legal)   A kind of cybercrime as a service in which the service provider operates or distributes malware on behalf of others for money.
  • marriage certificate — official document recording a marriage
  • master of ceremonies — a person who directs the entertainment at a party, dinner, nightclub, radio or television broadcast, or the like, acting as host and introducing the speakers or performers. Abbreviation: M.C., MC.
  • matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
  • 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.
  • 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.
  • megakaryocytopoiesis — (biology) The cellular development process that leads to platelet production.
  • 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.
  • mickey mouse program — (jargon)   The North American equivalent of a "noddy program", i.e. trivial. The term doesn't necessarily have the belittling connotations of mainstream slang "Oh, that's just mickey mouse stuff!"; sometimes trivial programs can be very useful.
  • microcrystalline wax — Microcrystalline wax is a wax used as a stiffening agent and as a coating agent for tablets and capsules.
  • microwave background — a background of microwave electromagnetic radiation with a black-body spectrum discovered in 1965, understood to be the thermal remnant of the big bang with which the universe began
  • 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.
  • mischaracterizations — Plural form of mischaracterization.
  • 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 geneticist — a specialist in the study of the molecular constitution of genes and chromosomes
  • mountain rescue team — a group of people who conduct search and rescue on a mountain, for example of someone who has fallen, got lost, etc
  • 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.
  • multiple inheritance — (programming)   In object-oriented programming, the possibility that a class may have more than one direct superclass in the class hierarchy. The opposite is single inheritance.
  • multiplicative group — a group in which the operation of the group is multiplication.
  • multistorey car park — a car park consisting of several levels
  • navigable semicircle — the less violent half of a cyclone; the half blowing in the direction opposite to that in which the cyclone is moving and in which a vessel can run before the wind.
  • neapolitan ice cream — variously flavored and colored ice cream and ice mixtures frozen in layers.
  • negative electricity — the electricity present in a body or substance that has an excess of electrons, as the electricity developed on a resin when rubbed with flannel.
  • nemine contradicente — no one contradicting; unanimously.
  • nephroangiosclerosis — (pathology) sclerosis of the renal arterioles.
  • net national product — the gross national product less allowance for depreciation of capital goods. Abbreviation: NNP.
  • neurophysiologically — In terms of, or with regard to, neurophysiology.
  • neuropsychiatrically — In terms of neuropsychiatry.
  • neuropsychologically — In terms of or by means of neuropsychology.
  • neutral interconnect — Network infrastructure where network service providers can freely exchange traffic without policy restrictions. Examples are the GIX (Global Internet Exchange) at MAE-East (A Metropolitan Area Ethernet around Washington), and the Ebone (European Backbone). There is currently (November 1993) no UK Neutral Interconnect.
  • new democratic party — the Canadian social democratic party formed in 1961
  • nickel tetracarbonyl — nickel carbonyl.
  • nictitating membrane — a thin membrane, or inner or third eyelid, present in many animals, capable of being drawn across the eyeball, as for protection.
  • nikkei stock average — an index of prices on the Tokyo Stock Exchange
  • nonaccidental injury — damage, such as a bruise, burn, or fracture, deliberately inflicted on a child or an old person
  • noncatalytic reactor — A noncatalytic reactor is a reactor in which no catalyst is used.
  • nondirective therapy — client-centered therapy.
  • nonrepeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
  • nonsense correlation — a correlation supported by data but having no basis in reality, as between incidence of the common cold and ownership of televisions
  • north american plate — a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.
  • north canadian river — a river in NE New Mexico, E Texas, and E Oklahoma, flowing SE to the Canadian River. 760 miles (1223 km) long.
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