20-letter words containing r, i, b, o, n
- prime number theorem — the theorem that the number of prime numbers less than or equal to a given number is approximately equal to the given number divided by its natural logarithm.
- proactive inhibition — the tendency for earlier memories to interfere with the retrieval of material learned later
- probability function — the function the values of which are probabilities of the distinct outcomes of a discrete random variable
- prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
- public administrator — an official of a city, county, or state government.
- receivables turnover — A receivables turnover is a measure of cash flow that is calculated by dividing net credit sales by average accounts receivable.
- recursive subroutine — a subroutine that can call itself as part of its execution
- ring of the nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
- rocky mountain basic — (language) The BASIC language used by Hewlett Packard on their 680x0-based computers. Rocky Mountain Basic is good for interfaces to IEEE 488 controls and contains many mathematical and matrix functions. It has about 600 commands. Typical applications include automatic test stations.
- roller-blind shutter — curtain shutter.
- royal british legion — an organization founded in 1921 to provide services and assistance for former members of the armed forces
- rub sb's nose in sth — To rub someone's nose in something that they do not want to think about, such as a failing or a mistake they have made, means to remind them repeatedly about it.
- ruby-crowned kinglet — an olive-gray, American kinglet, Regulus calendula, the male of which has an erectile, ruby crest.
- set the ball rolling — to open or initiate (an action, discussion, movement, etc)
- short back and sides — If a man has a short back and sides, his hair is cut very short at the back and sides with slightly thicker, longer hair on the top of the head.
- spectroscopic binary — a binary star having components that are not sufficiently separated to be resolved by a telescope, known to be a binary only bythe variations in wavelength of emitted light that are detected by a spectroscope.
- spherical aberration — variation in focal length of a lens or mirror from center to edge, due to its spherical shape.
- spontaneous abortion — miscarriage (def 1).
- spontaneous-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- spotted crane's-bill — the American wild geranium, Geranium maculatum.
- step into the breach — If you step into the breach, you do a job or task which someone else was supposed to do or has done in the past, because they are suddenly unable to do it.
- subscription edition — an edition of one or more volumes for which a number of prospective purchasers place orders, usually in advance of publication.
- subscription library — a commercial lending library
- telephone subscriber — a person who subscribes to a telephone service
- television broadcast — sth shown on tv
- 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.
- the toronto blessing — a variety of emotional reactions such as laughing, weeping, and fainting, experienced by participants in a form of charismatic Christian worship
- therapeutic abortion — abortion performed when a woman's pregnancy endangers her health.
- to be a warning shot — to be a warning
- to be on dinner duty — to be responsible for preparing an evening meal
- to be walking on air — If you say that you are walking on air or floating on air, you mean that you feel extremely happy about something.
- to bring up the rear — If a person or vehicle is bringing up the rear, they are the last person or vehicle in a moving line of them.
- to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
- to cross the rubicon — If you say that someone has crossed the Rubicon, you mean that they have reached a point where they cannot change a decision or course of action.
- to get your bearings — to find out where one is or to find out what one should do next
- to have it in for sb — If someone has it in for you, they do not like you and they want to make life difficult for you.
- 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.
- tropical disturbance — a very weak, or incipient, tropical cyclone.
- upper income bracket — a grouping of the highest earning tax payers
- vertical combination — the integration within one company of individual businesses working separately in related phases of the production and sale of a product.
- voice over broadband — a transmission technique that enables a user to make and receive telephone calls over a broadband connection
- walton and weybridge — a city in Surrey, SE England: a London suburb.
- war of the rebellion — American Civil War.
- war production board — the board (1942–45) that supervised and regulated the production and sale of matériel essential to the logistics of World War II. Abbreviation: WPB, W.P.B.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
- webster's dictionary — Informal. a dictionary of the English language, especially American English, such as Dictionary.com.
- wilson cloud chamber — cloud chamber.