20-letter words containing r, u, l

strong nuclear force — an interaction between elementary particles responsible for the forces between nucleons in the nucleus. It operates at distances less than about 10–15 metres, and is about a hundred times more powerful than the electromagnetic interaction
structural isomerism — Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.
subscription library — a commercial lending library
suitland-silver hill — a city in central Maryland, near Washington, D.C.
supplementary angles — either of two angles that added together produce an angle of 180°.
surveillance society — a society where surveillance technology is widely used to monitor people's everyday activities
systemic circulation — the circulatory system in general.
telephone subscriber — a person who subscribes to a telephone service
terrestrial guidance — a method of missile or rocket guidance in which the flight path is controlled by reference to the strength and direction of the earth's gravitational or magnetic field
the canterbury tales — an uncompleted sequence of tales by Chaucer, written for the most part after 1387.
the leisure industry — businesses such as cinemas, restaurants, sports facilities etc
the luck of the draw — If you say that something is the luck of the draw, you mean that it is the result of chance and you cannot do anything about it.
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.
thomas of erceldoune — Thomas of, Thomas of Erceldoune.
thread language zero — (language) (TL0) The instruction set of the TAM (Threaded Abstract Machine), used to implement Id.
three-quarter nelson — a hold in which a wrestler, from a kneeling position behind a prone opponent, applies a half nelson with one arm, passes the other arm under the opponent's body on the near side, and locks the arms at the fingers or wrist on the back of the opponent's neck.
to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
to clean up your act — If someone who has been behaving badly cleans up their act, they start to behave in a more acceptable or responsible way.
to clear your throat — If you clear your throat, you cough once in order to make it easier to speak or to attract people's attention.
to come to full term — to be carried or last until the ninth month of gestation or pregnancy
to fall on your feet — If you say that someone always falls or 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 flex your muscles — If a group, organization, or country flexes its muscles, it does something to impress or frighten people, in order to show them that it has power and is considering using it.
to keep your balance — If you keep your balance, for example, when standing in a moving vehicle, you remain steady and do not fall over. If you lose your balance, you become unsteady and fall over.
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 leave your/a mark — If someone or something leaves their mark or leaves a mark, they have a lasting effect on another person or thing.
to line your pockets — If you say that someone is lining their own or someone else's pockets, you disapprove of them because they are making money dishonestly or unfairly.
to pull your punches — If you say that someone does not pull their punches when they are criticizing a person or thing, you mean that they say exactly what they think, even though this might upset or offend people.
to tighten your belt — If you have to tighten your belt, you have to spend less money and manage without things because you have less money than you used to have.
tortoiseshell turtle — hawksbill turtle.
travelling-wave tube — an electronic tube in which an electron beam interacts with a distributed high-frequency magnetic field so that energy is transferred from the beam to the field
trigeminal neuralgia — tic douloureux.
triple witching hour — the last hour of trading on the New York Stock Exchange on the four Fridays each year when stock options, stock index futures, and options on such futures simultaneously expire: regarded as a time of extreme volatility in trading.
troilus and cressida — a satiric comedy (1598–1602?) by Shakespeare.
tropical disturbance — a very weak, or incipient, tropical cyclone.
trumpet call for sth — a signal for something
try conclusions with — to engage in an argument or contest with
turn over a new leaf — one of the expanded, usually green organs borne by the stem of a plant.
turnip-rooted celery — celeriac.
twelve-string guitar — an acoustic guitar having twelve strings instead of six, with each pair tuned an octave apart, and more difficult to play than the standard guitar.
uncharacteristically — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
under/below strength — If an army or team is under strength or below strength, it does not have all the members that it needs or usually has.
underground railroad — Also called underground railway. a railroad running through a continuous tunnel, as under city streets; subway.
undistributed middle — Logic. a middle term of a syllogism that does not refer to its entire class in the major premise or minor premise, with the result that the syllogism is not valid.
unemployment figures — statistics relating to the number of people who are out of work
unified field theory — electroweak theory.
united arab republic — a name given the union of Egypt and Syria from 1958 to 1961; after that, the official name of Egypt alone until 1971. Abbreviation: U.A.R.
universal quantifier — a quantifier indicating that the sentential function within its scope is true for all values of any variable included in the quantifier.
universal serial bus — (hardware, standard) (USB) An external peripheral interface standard for communication between a computer and external peripherals over an inexpensive cable using biserial transmission. USB is intended to replace existing serial ports, parallel ports, keyboard, and monitor connectors and be used with keyboards, mice, monitors, printers, and possibly some low-speed scanners and removable hard drives. For faster devices existing IDE, SCSI, or emerging FC-AL or FireWire interfaces can be used. USB works at 12 Mbps with specific consideration for low cost peripherals. It supports up to 127 devices and both isochronous and asynchronous data transfers. Cables can be up to five metres long and it includes built-in power distribution for low power devices. It supports daisy chaining through a tiered star multidrop topology. A USB cable has a rectangular "Type A" plug at the computer end and a square "Type B" plug at the peripheral end. Before March 1996 Intel started to integrate the necessary logic into PC chip sets and encourage other manufacturers to do likewise. It was widely available by 1997. Later versions of Windows 95 included support for it. It was standard on Macintosh computers in 1999. The USB 2.0 specification was released in 2000 to allow USB to compete with Firewire etc. USB 2.0 is backward compatible with USB 1.1 but works at 480 Mbps.
unsaddling enclosure — the area at a racecourse where horses are unsaddled after a race and often where awards are given to owners, trainers, and jockeys
until further notice — If a situation is said to exist until further notice, it will continue for an uncertain length of time until someone changes it.

Was this page helpful?

Yes No

Thank you for your feedback! Tell your friends about this page

Tell us why?