27-letter words containing a, d, o, u, t

language acquisition device — a hypothesized innate mental faculty present in infants that enables them to construct and internalize the grammar of their native language on the basis of the limited and fragmentary language input to which they are exposed. Abbreviation: LAD.
linux documentation project — (project) (LDP) A team of volunteers developing documentation for the Linux operating system. The LDP aims to handle all of the issues of Linux documentation, ranging from on-line documentation to printed manuals, covering topics such as installing, using, and running Linux. The LDP has no central organisation; anyone can join in.
little-lord-fauntleroy-suit — (italics) a children's novel (1886) by Frances H. Burnett.
measure of central tendency — a statistic that in some way specifies the central tendency of a sample of measurements, as the mean, median, or mode.
memorandum of understanding — a document that describes the general principles of an agreement between parties, but does not amount to a substantive contract
military-industrial complex — a network of a nation's military force together with all of the industries that support it.
multiple document interface — (programming) (MDI) The ability of an application program to show windows giving views of more than one document at a time. The opposite is Single Document Interface (SDI).
national science foundation — an independent agency of the executive branch, created in 1950, that promotes and supports research and education in the sciences. Abbreviation: NSF.
network definition language — (NDL) The language used to program the DCP (Data Communications Processor) on Burroughs Large System. Version: NDL II.
old chestnut/hoary chestnut — If you refer to a statement, a story, or a joke as an old chestnut or a hoary chestnut, you mean that it has been repeated so often that it is no longer interesting.
on the understanding (that) — If you agree to do something on the understanding that something else will be done, you do it because you have been told that the other thing will definitely be done.
on the up, on the up and up — If something is on the up or on the up and up, it is becoming more successful.
personal accident insurance — accident which covers personal accidents
post-viral fatigue syndrome — Post-viral fatigue syndrome is a long-lasting illness that is thought to be caused by a virus. Its symptoms include feeling tired all the time and muscle pain.
potassium hydrogen tartrate — a colourless or white soluble crystalline salt used in baking powders, soldering fluxes, and laxatives. Formula: KHC4H4O6
pour oil on troubled waters — any of a large class of substances typically unctuous, viscous, combustible, liquid at ordinary temperatures, and soluble in ether or alcohol but not in water: used for anointing, perfuming, lubricating, illuminating, heating, etc.
product liability insurance — Product liability insurance is insurance for a producer or supplier of goods against injury to third parties or loss of or damage to their property that is caused by a fault in the goods.
public broadcasting service — a network of independent, noncommercial television stations that operate with public and government funding instead of with revenues from advertising. Abbreviation: PBS.
public service broadcasting — publicly-funded broadcasting
public works administration — the U.S. federal agency (1933–44) that instituted and administered projects for the construction of public works. Abbreviation: PWA, P.W.A.
put one's best foot forward — (in vertebrates) the terminal part of the leg, below the ankle joint, on which the body stands and moves.
rough endoplasmic reticulum — a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum) involved in the transport of materials.
senile macular degeneration — a type of macular degeneration that is one of the leading causes of blindness in the elderly and in which tiny blood vessels grow into the macula of the retina, obscuring vision. Abbreviation: SMD.
stand/turn sth on it's head — If you stand an idea or argument on its head or turn it on its head, you think about it or treat it in a completely new and different way.
stanford research institute — Former name of SRI International.
sudden adult death syndrome — the unexpected death of a young adult, usually due to undetected inherited heart disease
supreme court of judicature — an English court formed in 1873 from several superior courts and consisting of a court of original jurisdiction (High Court of Justice) and an appellate court (Court of Appeal)
tandem application language — Transaction Application Language
the hunchback of notre dame — French Notre Dame de Paris. a novel (1831) by Victor Hugo.
the odds are in sb's favour — If you say that the odds are in someone's favour, you mean that they are likely to succeed in what they are doing.
thyroid stimulating hormone — thyrotropin. Abbreviation: TSH.
thyroid-stimulating hormone — thyrotropin. Abbreviation: TSH.
to all intents and purposes — something that is intended; purpose; design; intention: The original intent of the committee was to raise funds.
to be suspended on full pay — if someone is suspended on full pay they are temporarily barred from work (due to misconduct, etc) while receiving full salary
to build up a head of steam — to develop power
to fall over yourself to do — If you say that people are falling over themselves to do something, you mean that they are very enthusiastic about doing it, and often that you disapprove of this.
to fight a rearguard action — if someone is fighting a rearguard action or mounting a rearguard action, they are trying very hard to prevent something from happening, even though it is probably too late for them to succeed
to make your blood run cold — If you say that something makes your blood run cold or makes your blood freeze, you mean that it makes you feel very frightened.
to rear/raise its ugly head — If you say that something unpleasant or embarrassing rears its ugly head or raises its ugly head, you mean that it occurs, often after not occurring for some time.
to rule sb with a high hand — to behave imperiously towards someone
to run rings around someone — If you say that someone runs rings round you or runs rings around you, you mean that they are a lot better or a lot more successful than you at a particular activity.
to stop dead in your tracks — If someone or something stops you in your tracks, or if you stop dead in your tracks, you suddenly stop moving because you are very surprised, impressed, or frightened.
tonguing-and-grooving plane — a plane for cutting the edges of boards into tongues and grooves.
united nations organization — the United Nations. Abbreviation: UNO, U.N.O.
united service organization — a private, non-profit organization that provides morale and recreational services to members of the US military, with programmes in 140 centres worldwide
weapons of mass destruction — nuclear, biological and chemical arms
yeoman of the (royal) guard — a member of a ceremonial guard for the British royal family, made up traditionally of 100 men
you wouldn't/won't catch me — You can say things such as 'You wouldn't catch me doing that' to emphasize that you would never do a particular thing.

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