21-letter words containing a, b, u, n, s
- negotiable securities — securities that are legally transferable in title from one party to another
- northumberland strait — the part of the Gulf of St. Lawrence that separates Prince Edward Island from New Brunswick and Nova Scotia, in SE Canada. About 200 miles (320 km) long; 9–30 miles (15–48 km) wide.
- on o's best behaviour — If someone is on their best behaviour, they are trying very hard to behave well.
- pdp assembly language — (language) (PAL) The assembly language for the PDP-8 and PDP-11.
- pipelined burst cache — Pipeline Burst Cache
- potassium bicarbonate — a white, crystalline, slightly alkaline, salty-tasting, water-soluble powder, KHCO 3 , produced by the passage of carbon dioxide through an aqueous potassium carbonate solution: used in cookery as a leavening agent and in medicine as an antacid.
- premium savings bonds — (in Britain) bonds issued by the Treasury since 1956 for purchase by the public. No interest is paid but there is a monthly draw for cash prizes of various sums
- public administration — the implementation of public policy, largely by the executive branch.
- public transportation — means of fare-paying travel
- push the panic button — an alarm button for use in an emergency, as to summon help.
- put sb in their place — If you put someone in their place, you show them that they are less important or clever than they think they are.
- put someone's back up — to annoy someone
- rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
- sampling distribution — the distribution of a statistic based on all possible random samples that can be drawn from a given population.
- san gabriel mountains — a mountain range in S California, N of Los Angeles. Highest peak, San Antonio Peak, 10,080 feet (3072 meters).
- saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
- satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
- scarlet runner (bean) — a climbing bean plant (Phaseolus coccineus) of tropical America, having pods with large, edible, red-and-black seeds and usually having scarlet flowers: often grown in cold climates as an ornamental
- single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
- snr bandwidth product — (communications) The integral of the SNR over frequency. The SNR bandwidth product is an important limit in the capacity of a communication channel.
- subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
- submerged arc welding — a type of heavy electric-arc welding using mechanically fed bare wire with the arc submerged in powdered flux to keep out oxygen
- subsistence allowance — money given in advance to a new soldier, employee, etc., to buy food, clothing, and pay for other necessities while awaiting a first pay.
- substitution instance — an expression so derived from another
- substitution reaction — the replacement of an atom or group of atoms in a compound by another atom or group.
- supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
- system management bus — (hardware, protocol) (SMBus, SMB) A simple two-wire bus used for communication with low-bandwidth devices on a motherboard, especially power related chips such as a laptop's rechargeable battery subsystem (see Smart Battery Data). Other devices might include temperature sensors and lid switches. A device can provide manufacturer information, indicate its model/part number, save its state for a suspend event, report different types of errors, accept control parameters, and return status. The SMB is generally not user configurable or accessible. The bus carries clock, data, and instructions and is based on Philip's I2C serial bus protocol. Support for SMBus devices is provided on Windows 2000. Windows 98 does not support such devices. The PIIX4 chipset provides SMBus functionality. Vendors using SMBus would be required to pay royalties.
- tetrabromofluorescein — eosin (def 1).
- to be hard luck on sb — to be unfortunate or unlucky for someone
- to change the subject — When someone involved in a conversation changes the subject, they start talking about something else, often because the previous subject was embarrassing.
- transcendental number — a number that is not a root of any algebraic equation having integral coefficients, as π or e .
- trustee in bankruptcy — a person appointed by a court to administer the property of a bankrupt.
- tubercular meningitis — an infection of the membranes of the central nervous system caused by the bacterium Mycobacterium tuberculosis; features can include fever, headache, and coma
- undesirable discharge — a discharge under other than honorable conditions of a person from military service by administrative action.
- uniform business rate — a local tax in the UK paid by businesses, based on a local valuation of their premises and a rate fixed by central government that applies throughout the country
- vasco nunez de balboa — Vasco Núñez de [bahs-kaw noo-nyeth th e] /ˈbɑs kɔ ˈnu nyɛθ ðɛ/ (Show IPA), 1475?–1517, Spanish adventurer and explorer who discovered the Pacific Ocean in 1513.
- venus's flower basket — a glass sponge of the genus Euplectella, inhabiting deep waters off the Philippines and Japan, having a cylindrical skeleton formed of an intricate latticework of siliceous spicules.