20-letter words containing o, d, y, n

on the shady side of — beyond (a given age); older than
on the sunny side of — younger than (a specified age)
ophthalmodynamometer — a device for determining the nearest point of ocular convergence.
oxyacetylene welding — welding using an oxyacetylene burner
parkinson's syndrome — a complex of symptoms indistinguishable from Parkinson's disease, commonly affecting boxers or sometimes occurring as a result of substance abuse or an encephalitic infection.
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.
phenyldiethanolamine — a white, crystalline, slightly water-soluble substance, C 1 0 H 1 5 NO 2 , used in the manufacture of dyes and in organic synthesis.
phosphoric anhydride — phosphorus pentoxide.
physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
pickwickian syndrome — an abnormality characterized by extreme obesity accompanied by sleepiness, hypoventilation, and polycythemia.
polyvinylidene resin — any of the class of thermoplastic resins derived by the polymerization or copolymerization of a polyvinylidene compound, used similarly to the polyvinyl resins.
polyvinylpyrrolidone — a white, amorphous, water-soluble powder, (C 6 H 9 NO) n , used chiefly as a vehicle in the manufacture of pharmaceuticals.
postal delivery zone — zone (def 10).
powhatan confederacy — a network of Algonquian-speaking Indian settlements in Virginia that was ruled by Powhatan.
property development — the business of buying land and buildings and then making improvements to them so that their selling price exceeds the price paid for them
proprietary medicine — a drug or agent manufactured and distributed under a trade name
prosthetic dentistry — prosthodontics.
pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
quantum bogodynamics — /kwon'tm boh"goh-di:-nam"iks/ A theory that characterises the universe in terms of bogon sources (such as politicians, used-car salesmen, TV evangelists, and suits in general), bogon sinks (such as taxpayers and computers), and bogosity potential fields. Bogon absorption causes human beings to behave mindlessly and machines to fail (and may also cause both to emit secondary bogons); however, the precise mechanics of bogon-computron interaction are not yet understood. Quantum bogodynamics is most often invoked to explain the sharp increase in hardware and software failures in the presence of suits; the latter emit bogons, which the former absorb.
quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
random access memory — RAM.
random-access memory — RAM.
raynaud's phenomenon — a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet
revolving presidency — a form of presidency in which the president and vice-president, or countries or bodies acting as such, switch roles after a set period and then back again and so on
ruby-crowned kinglet — an olive-gray, American kinglet, Regulus calendula, the male of which has an erectile, ruby crest.
schizoid personality — sb with identity disorder
shaken baby syndrome — a usually fatal condition of abused infants brought on by violent shaking by the arms or shoulders that causes severe internal bleeding, especially around the brain and in the eyes.
silicon tetrahydride — silane (def 1).
south orkney islands — an uninhabited group of islands in the S Atlantic, southeast of Cape Horn: formerly a dependency of the Falkland Islands; part of the British Antarctic Territory since 1962 (claims are suspended under the Antarctic Treaty). Area: 621 sq km (240 sq miles)
summary jurisdiction — the right a court has to adjudicate immediately upon some matter arising during its proceedings
sunday-go-to-meeting — most presentable; best: Sunday-go-to-meeting clothes.
synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
tetrahydrocannabinol — a compound, C 21 H 30 O 2 , that is the physiologically active component in cannabis preparations (marijuana, hashish, etc.) derived from the Indian hemp plant or produced synthetically. Abbreviation: THC.
tetrahydrogestrinone — a synthetic anabolic steroid. Formula: C21H28O2
the day of judgement — a Christian term for the ending of the world
the metadata company — (company) A company founded by Jack E. Myers, originally known as Metadata Information Partners. Myers trademarked the word "Metadata" (unhyphenated with initial capital, as opposed to the general term metadata) to represent implementations of his MetaModel and to designate his company. Myers claims that a data and publication search in the summer of 1969 failed to discover any use either of the word "metadata" or "meta data". E-mail: <[email protected]>. Address: 444 West Ocean Blvd, Suite 1600, Long Beach CA 90802, USA.
the other way around — reversed
the whole nine yards — everything that is required; the whole thing
thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
thermodynamic system — a system whose states of equilibrium can be specified by a few macroscopic properties.
three-dimensionality — having, or seeming to have, the dimension of depth as well as width and height.
to be on dinner duty — to be responsible for preparing an evening meal
to do your damnedest — If you say that you will do your damnedest to achieve something, you mean that you will try as hard as you can to do it, even though you think that it will take a lot of effort.
to keep your hand in — If you do something to keep your hand in, you practise a skill or hobby occasionally in order to remain fairly good at it.
to land on your feet — If you say that someone always lands on their feet, you mean that they are always successful or lucky, although they do not seem to achieve this by their own efforts.
to make up your mind — If you make up your mind or make your mind up, you decide which of a number of possible things you will have or do.
to spread your wings — If you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience.
to stand your ground — If you stand your ground or hold your ground, you continue to support a particular argument or to have a particular opinion when other people are opposing you or trying to make you change your mind.
tom, dick, and harry — the ordinary person; people generally; everyone: They invited every Tom, Dick, and Harry to the party.
tom, dick, and jerry — a hot mixed drink containing rum, brandy, egg, nutmeg, and sometimes milk

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