20-letter words containing a, d, r, e, s, t
- linage advertisement — advertisements which are costed and paid for according to the number of lines in them
- linearly ordered set — a set in which a relation, as “less than or equal to,” holds for all pairs of elements of the set.
- live and breathe sth — be passionately interested in sth
- magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
- 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
- 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.
- 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
- 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.
- megabytes per second — (unit) (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
- middle-distance race — a race of a length between the sprints and the distance events, esp the 800 metres and the 1500 metres
- modify a reservation — If you modify a reservation, you change a detail of a booking because someone who has booked a room has asked you to.
- motor neuron disease — Motor neuron disease is a disease which destroys the part of a person's nervous system that controls movement.
- 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.
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
- mum-and-dad investor — a small-scale non-professional investor
- netherlands antilles — a Netherlands overseas territory in the Caribbean Sea, N and NE of Venezuela; includes the islands of Aruba, Bonaire, Curaçao, Saba, and St. Eustatius, and the S part of St. Martin: considered an integral part of the Dutch realm. 366 sq. mi. (948 sq. km). Capital: Willemstad.
- newcastle-under-lyme — a town in W central England, in Staffordshire. Pop: 74 427 (2001)
- notre dame mountains — a mountain range in E Quebec, Canada, an extension of the Green Mountains in Vermont and a portion of the Appalachian Mountains: about 500 miles (800 km) long, rising about 2000 feet (610 meters).
- on the starboard bow — within 45 degrees to the starboard of straight ahead
- one's heart's desire — If you say that someone or something is your heart's desire, you mean that you want that person or thing very much.
- operating conditions — Operating conditions are a set of conditions for operating a particular system or process.
- operational database — (database) A database containing up-to-date, modifiable data, in contrast to a decision support database.
- orthopaedic mattress — a specially firm mattress designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- palos verdes estates — a town in S California.
- partitioned data set — (file format) (PDS) A data set on an IBM mainframe that contains members, each of which acts like a separate data set. Partitioned data sets are more space-efficient than individual data sets, because they can put more than one data set on a track. They are also used to hold libraries, with one function per member. The syntax for a member is NAME.OF.PDS(MEMBER) although some systems (such as Phoenix) could use NAME.OF.PDS:MEMBER Original PDSes were of fixed size, and needed frequent compression to recover space after deleting or changing members. Newer PDS/E Extended PDSes do not have this problem.
- peasecod breastplate — a breastplate having a long central ridge terminating in a raised area overhanging the waistline.
- pedal steel (guitar) — a steel guitar mounted on legs and equipped with pedals that serve as an additional means of changing pitch
- pentobarbital sodium — a barbiturate drug used in medicine as a sedative and hypnotic. Formula: C11H17N2O3Na
- periarteritis nodosa — polyarteritis.
- personality disorder — any of a group of mental disorders characterized by deeply ingrained maladaptive patterns of behavior and personality style, which are usually recognizable as early as adolescence and are often lifelong in duration.
- personnel department — business: human resources
- physical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- portuguese water dog — one of a breed of medium-sized dogs originally developed to assist Portuguese fishermen and having a profuse black or brown coat with or without white markings and webbed feet.
- post-order traversal — traversal
- postal delivery zone — zone (def 10).
- postgraduate student — a student who has obtained a degree from a university, etc, and is pursuing studies for a more advanced qualification
- postnatal depression — a form of clinical depression that occurs in mothers after the birth of a baby
- potassium dichromate — an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7
- pound cost averaging — a method of accumulating capital by investing a fixed sum in a particular security at regular intervals, in order to achieve an average purchase price below the arithmetic average of the market prices on the purchase dates
- presidential primary — a direct primary for the selection of state delegates to a national party convention and the expression of preference for a U.S. presidential nominee.
- price discrimination — the practice of offering identical goods to different buyers at different prices, when the goods cost the same.
- prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
- pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
- queensland arrowroot — a South American and West Indian herb, Canna edulis, having large sheathing leaves, red flowers, and edible rhizomes.
- radiation resistance — the resistive component of the impedance of a radio transmitting aerial that arises from the radiation of power
- rapid transit system — a rail or other system providing rapid public transport
- recommended standard — (standard) (RS) A series of EIA standards including EIA-232.
- reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
- refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
- registered dietitian — a person who has fulfilled all the educational and examination requirements of the American Dietetic Association for recognition as a qualified nutrition specialist.