20-letter words containing u, n, d, e, r

greatest lower bound — a lower bound that is greater than or equal to all the lower bounds of a given set: 1 is the greatest lower bound of the set consisting of 1, 2, 3. Abbreviation: glb.
group code recording — (storage) (GCR) A recording method used for 6250 BPI magnetic tapes. GCR typically uses a group of five bits of code to represent four bits of data. The encoding ensures no more than two or three zeros occur in a row, and no more than eight or so ones occur in a row, where zeros represent an absense of magnetic change. GCR is also used on Commodore Business Machines diskette drives; the 4040, 8050, 154x, 157x and 158x series of 5.25" and 3.5" low and high density diskette drives used with 8-bit home computers circa 1977 to 1992. It was also supported on Amiga internal and external drives but only used for reading non-Amiga disks. Compare NRZI, PE.
guarded horn clauses — (language) (GHC) A parallel dialect of Prolog by K. Ueda in which each clause has a guard. GHC is similar to Parlog. When several clauses match a goal, their guards are evaluated in parallel and the first clause whose guard is found to be true is used and others are rejected. It uses committed-choice nondeterminism. See also FGHC, KL1.
hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
hindu-arabic numeral — Arabic numeral.
hit-and-run accident — a motor-vehicle accident in which the driver leaves the scene without stopping to give assistance, inform the police, etc
holder in due course — a person who has received a negotiable instrument in good faith and without notice that it is overdue, that there is any prior claim, or that there is a defect in the title of the person who negotiated it.
hot under the collar — the part of a shirt, coat, dress, blouse, etc., that encompasses the neckline of the garment and is sewn permanently to it, often so as to fold or roll over.
hurricane-force wind — a wind, not necessarily a hurricane, having a speed of more than 72 miles per hour (32 m/sec): the strongest of the winds.
hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
imported currantworm — the larva of any of several insects, as a sawfly, Nematus ribesii (imported currantworm) which infests and feeds on the leaves and fruit of currants.
in bad circumstances — (of a person) in a bad financial situation
in-service education — training and education given to employed teachers throughout their career
indian cucumber root — a North American plant, Medeola virginiana, of the lily family, having whorled leaves, nodding, greenish-yellow flowers, and an edible root.
industrial democracy — control of an organization by the people who work for it, esp by workers holding positions on its board of directors
industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company.
industrial insurance — industrial life insurance.
industrial relations — (used with a plural verb) the dealings or relations of an industrial concern with its employees, with labor in general, with the public, etc.
information builders — Distributors of LEVEL5 OBJECT. Telephone +1 800 969 INFO.
inland revenue stamp — a certificate issued by the Inland Revenue to acknowledge payment of tax
intestinal fortitude — courage; resoluteness; endurance; guts: to have intestinal fortitude.
intravenous drug use — the injection of drugs intravenously
intruder in the dust — a novel (1948) by William Faulkner.
inventory adjustment — Inventory adjustments are increases or decreases made in inventory to account for theft, loss, breakages, and errors in the amount or number of items received.
jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
judicial proceedings — any action involving or carried out by a court of law
kluver-bucy syndrome — a syndrome caused by bilateral injury to the temporal lobes and characterized by memory defect, hypersexuality, excessive oral behavior, and diminished fear reactions.
labour-saving device — a machine, gadget, etc, that reduces (human) effort, hard work or labour
languedoc-roussillon — a region of S France, on the Gulf of Lions: consists of the departments of Lozère, Gard, Hérault, Aude, and Pyrénées-Orientales; mainly mountainous with a coastal plain
law-and-order issues — issues concerning law and social conventions
lieutenant commander — a commissioned officer ranking next below a commander and next above a lieutenant.
liquidity preference — (in Keynesian economics) the degree of individual preference for cash over less liquid assets.
llywelyn ap gruffudd — died 1282, prince of Wales (1258–82): the only Welsh ruler to be recognized as such by the English
macular degeneration — degeneration of the central portion of the retina, resulting in a loss of sharp vision.
maintenance and cure — the right of an injured sailor to support and medical treatment.
medical underwriting — Medical underwriting is the use of medical or health status information in the evaluation of an applicant for life or health insurance.
metric hundredweight — a unit of weight equivalent to 50 kilograms.
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
midcourse correction — a navigational correction made in the course of a ship, airplane, rocket, or space vehicle at some point between the beginning and end of the journey.
minimum lending rate — the official interest rate charged by the Bank of England and below which it will refrain from lending money.
motor neuron disease — Motor neuron disease is a disease which destroys the part of a person's nervous system that controls movement.
multi-user dimension — (games) (MUD) (Or Multi-User Domain, originally "Multi-User Dungeon") A class of multi-player interactive game, accessible via the Internet or a modem. A MUD is like a real-time chat forum with structure; it has multiple "locations" like an adventure game and may include combat, traps, puzzles, magic and a simple economic system. A MUD where characters can build more structure onto the database that represents the existing world is sometimes known as a "MUSH". Most MUDs allow you to log in as a guest to look around before you create your own character. Historically, MUDs (and their more recent progeny with names of MU- form) derive from a hack by Richard Bartle and Roy Trubshaw on the University of Essex's DEC-10 in 1979. It was a game similar to the classic Colossal Cave adventure, except that it allowed multiple people to play at the same time and interact with each other. Descendants of that game still exist today and are sometimes generically called BartleMUDs. There is a widespread myth that the name MUD was trademarked to the commercial MUD run by Bartle on British Telecom (the motto: "You haven't *lived* 'til you've *died* on MUD!"); however, this is false - Richard Bartle explicitly placed "MUD" in the PD in 1985. BT was upset at this, as they had already printed trademark claims on some maps and posters, which were released and created the myth. Students on the European academic networks quickly improved on the MUD concept, spawning several new MUDs (VAXMUD, AberMUD, LPMUD). Many of these had associated bulletin-board systems for social interaction. Because these had an image as "research" they often survived administrative hostility to BBSs in general. This, together with the fact that Usenet feeds have been spotty and difficult to get in the UK, made the MUDs major foci of hackish social interaction there. AberMUD and other variants crossed the Atlantic around 1988 and quickly gained popularity in the US; they became nuclei for large hacker communities with only loose ties to traditional hackerdom (some observers see parallels with the growth of Usenet in the early 1980s). The second wave of MUDs (TinyMUD and variants) tended to emphasise social interaction, puzzles, and cooperative world-building as opposed to combat and competition. In 1991, over 50% of MUD sites are of a third major variety, LPMUD, which synthesises the combat/puzzle aspects of AberMUD and older systems with the extensibility of TinyMud. The trend toward greater programmability and flexibility will doubtless continue. The state of the art in MUD design is still moving very rapidly, with new simulation designs appearing (seemingly) every month. There is now a move afoot to deprecate the term MUD itself, as newer designs exhibit an exploding variety of names corresponding to the different simulation styles being explored. See also bonk/oif, FOD, link-dead, mudhead, MOO, MUCK, MUG, MUSE, chat.
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
neighbourhood warden — a person employed by a local authority to patrol residential areas and deal with antisocial behaviour
net domestic product — the gross domestic product minus an allowance for the depreciation of capital goods
net national product — the gross national product less allowance for depreciation of capital goods. Abbreviation: NNP.

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