21-letter words containing d, o, r, i

special correspondent — a journalist who covers stories firsthand from a war zone
spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
staffordshire terrier — former name of American Staffordshire terrier.
statutory declaration — a declaration made under statutory authority before a justice of the peace or commissioner for oaths which may in certain cases be substituted for a statement on oath
stock list department — (in an American stock exchange) the department dealing with monitoring compliance with its listing requirements and rules
strategic air command — a U.S. Air Force command charged with intercontinental air strikes, especially nuclear attacks.
student participation — the extent to which students participate or involve themselves in a class, course, etc
suction and curettage — a technique involving extraction of the fetus through a suction tube, used to perform abortions during the early stages of pregnancy.
surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
synchronized shifting — gear shifting in which the gears to be meshed are made to rotate at the same speed.
synchronized swimming — a sport growing out of water ballet in which swimmers, in solo, duet, and team efforts, complete various required figures by performing motions in relatively stationary positions, along with a freestyle competition, with the contestants synchronizing movements to music and being judged for body position, control, and the degree of difficulty of the moves.
synchrotron radiation — electromagnetic radiation emitted by charged particles as they pass through magnetic fields.
take sb at their word — If you take someone at their word, you believe what they say, when they did not really mean it or when they meant something slightly different.
terrestrial radiation — long-wave electromagnetic radiation in the form of heat emitted from the earth's surface and atmosphere.
territoire de belfort — a department of E France, now in Franche-Comté region: the only part of Alsace remaining to France after 1871. Capital: Belfort. Pop: 139 383 (2003 est). Area: 608 sq km (237 sq miles)
the middle of nowhere — remote place
the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.
the oldest profession — prostitution
the yellow brick road — the road to success or happiness (in the film the Wizard of Oz the yellow brick road leads to Oz)
thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
third party procedure — impleader.
threshold wage policy — a policy whereby wages are increased in accordance with inflation
tide-generating force — the difference between the force of gravity exerted by the moon or the sun on a particle of water in the ocean and that exerted on an equal mass of matter at the centre of the earth. The lunar tide-generating forces are about 2.2 times greater than are the solar ones
to be arrayed against — to be opposed to
to be in dire straits — to be in a position of acute difficulty
to be killed outright — If someone is killed outright, they die immediately, for example in an accident.
to kill a mockingbird — a novel (1960) by Harper Lee.
to know your own mind — If you know your own mind, you are sure about your opinions, and are not easily influenced by other people.
to lay down your life — If someone lays down their life for another person, they die so that the other person can live.
to let your hair down — If you let your hair down, you relax completely and enjoy yourself.
to rear its ugly head — If something unpleasant rears its head or rears its ugly head, it becomes visible or noticeable.
to risk life and limb — If someone risks life and limb, they do something very dangerous that may cause them to die or be seriously injured.
to rub shoulders with — If you rub shoulders with famous people, you meet them and talk to them. You can also say that you rub elbows with someone, especially in American English.
to sow your wild oats — If a young person sows their wild oats, they behave in a rather uncontrolled way, especially by having a lot of sexual relationships.
to stick in your mind — If something sticks in your mind, it remains firmly in your memory.
to take the high road — to take the course of action which is safest and most familiar
to take your mind off — If something takes your mind off a problem or unpleasant situation, it helps you to forget about it for a while.
trades union congress — The Trades Union Congress in Britain is the same as the TUC.
trichloroacetaldehyde — chloral (def 1).
universal disk format — (storage, standard) (UDF) A CD-ROM file system standard that is required for DVD ROMs. UDF is the OSTA's replacement for the ISO 9660 file system used on CD-ROMs, but will be mostly used on DVD. DVD multimedia disks use UDF to contain MPEG audio and video streams. To read DVDs you need a DVD drive, the kernel driver for the drive, MPEG video support, and a UDF driver. DVDs containing both UDF filesystems and ISO 9660 filesystems can be read without UDF support. UDF can also be used by CD-R and CD-RW recorders in packet writing mode.
universe of discourse — the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm.
university of iceland — (body, education) The Home of Fjolnir.
ventriloquist's dummy — a puppet which is operated by a ventriloquist and made to appear to talk
vladivostok agreement — a preliminary arms control accord concluded by Soviet leader Leonid Brezhnev and U.S. President Gerald Ford in Vladivostok, U.S.S.R., in December 1974.
voluntary liquidation — the process of voluntarily terminating the affairs of a business, firm, etc, by realizing its assets to discharge its liabilities or the state of a business firm, etc, having its affairs so terminated
washington's birthday — February 22, formerly observed as a legal holiday in most states of the U.S. in honor of the birth of George Washington.
well-ordering theorem — the theorem of set theory that every set can be made a well-ordered set.
wet collodion process — a photographic process, in common use in the mid-19th century, employing a glass photographic plate coated with iodized collodion and dipped in a silver nitrate solution immediately before use.
whip-and-tongue graft — a graft prepared by cutting both the scion and the stock in a sloping direction and inserting a tongue in the scion into a slit in the stock.
white-crowned sparrow — a North American sparrow, Zonotrichia leucophrys, having black and white stripes on the head.

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