21-letter words containing t, o, y, u, r

premenstrual syndrome — a complex of physical and emotional changes, including depression, irritability, appetite changes, bloating and water retention, breast soreness, and changes in muscular coordination, one or more of which may be experienced in the several days before the onset of menstrual flow. Abbreviation: PMS.
public-key encryption — (cryptography) (PKE, Or "public-key cryptography") An encryption scheme, introduced by Diffie and Hellman in 1976, where each person gets a pair of keys, called the public key and the private key. Each person's public key is published while the private key is kept secret. Messages are encrypted using the intended recipient's public key and can only be decrypted using his private key. This is often used in conjunction with a digital signature. The need for sender and receiver to share secret information (keys) via some secure channel is eliminated: all communications involve only public keys, and no private key is ever transmitted or shared. Public-key encryption can be used for authentication, confidentiality, integrity and non-repudiation. See also knapsack problem.
pulmonary circulation — the circulation of blood from the heart to the lungs for oxygenation and back to the heart.
pyrenean mountain dog — a large heavily built dog of an ancient breed originally used to protect sheep from wild animals: it has a long thick white coat with a dense ruff
quadralay corporation — (company) The developers of GWHIS. Telephone: +1 512-346-9199. Fax: +1 512-346-8990.
quality point average — grade point average.
rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
rectangular hyperbola — a hyperbola with perpendicular asymptotes
residual unemployment — the unemployment that remains in periods of full employment, as a result of those mentally, physically, or emotionally unfit to work
reverberatory furnace — See at reverberatory (def 2).
ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
rob peter to pay paul — to take something from (someone) by unlawful force or threat of violence; steal from.
rocky mountain locust — a migratory locust, Melanoplus spretus, that occurs in North America, especially the Great Plains, where swarms cause great damage to crops and other vegetation.
rocky mountain oyster — mountain oyster.
seventeen-year locust — a cicada, Magicicada septendecim, of the eastern U.S., having nymphs that live in the soil, usually emerging in great numbers after 17 years in the North or 13 years in the South.
social inquiry report — (in Britain) a report on a person and his or her circumstances, which may be required by a court before sentencing and is made by a probation officer or a social worker from a local authority social services department
sport utility vehicle — a rugged vehicle with a trucklike chassis and four-wheel drive, designed for occasional off-road use. Abbreviation: SUV.
sport-utility vehicle — a rugged vehicle with a trucklike chassis and four-wheel drive, designed for occasional off-road use. Abbreviation: SUV.
statutory corporation — a company or other body set up by statute
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
structural psychology — psychology centering on the analysis of the structure or content of conscious mental states by introspective methods.
summary court-martial — a court-martial composed of one commissioned officer, authorized to try minor offenses against military law.
sunday school teacher — someone who teaches at a Sunday school
synchronous converter — a synchronous machine for converting alternating current to direct current, or vice versa, in which the armature winding is connected to collector rings and to a commutator.
take sb/sth seriously — If you take someone or something seriously, you believe that they are important and deserve attention.
tartarian honeysuckle — an Asian honeysuckle, Lonicera tatarica, having fragrant, white to pink flowers.
the apple of your eye — If you say that someone is the apple of your eye, you mean that they are very important to you and you are extremely fond of them.
the household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
the jury is still out — it has not yet been decided or agreed on
therapeutic community — a group-based form of therapy for mental disorders, sometimes residential
third party procedure — impleader.
to be public property — to be publicly owned
to cross your fingers — If you cross your fingers, you put one finger on top of another and hope for good luck. If you say that someone is keeping their fingers crossed, you mean they are hoping for good luck.
to get your rocks off — to reach orgasm; gain sexual satisfaction
to have money to burn — If you say that someone has money to burn, you mean that they have more money than they need or that they spend their money on things that you think are unnecessary.
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 mix your metaphors — If you mix your metaphors, you use two conflicting metaphors. People do this accidentally, or sometimes deliberately as a joke.
to pull your socks up — If you tell someone to pull their socks up, you mean that they should start working or studying harder, because they have been lazy or careless.
to rear its ugly head — If something unpleasant rears its head or rears its ugly head, it becomes visible or noticeable.
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 stick to your guns — If you stick to your guns, you continue to have your own opinion about something even though other people are trying to tell you that you are wrong.
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.
to tell you the truth — You say to tell you the truth or truth to tell in order to indicate that you are telling someone something in an open and honest way, without trying to hide anything.
to work your guts out — to work very hard
uk overseas territory — any of the territories that are governed by the UK but lie outside the British Isles; many were formerly British crown colonies: includes Bermuda, Falkland Islands, and Montserrat
ulster unionist party — a Northern Irish political party advocating the maintenance of union with the UK
ultraviolet astronomy — the branch of astronomy that deals with celestial objects emitting electromagnetic radiation in the ultraviolet range.

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