13-letter words containing u, n, s
- bonus eventus — the ancient Roman god of agricultural prosperity.
- boom-and-bust — characteristic of a period of economic prosperity followed by a depression.
- boraginaceous — of, relating to, or belonging to the Boraginaceae, a family of temperate and tropical typically hairy-leaved flowering plants that includes forget-me-not, lungwort, borage, comfrey, and heliotrope
- boris godunov — Boris Fedorovich [bawr-is fi-dawr-uh-vich,, bohr-,, bor-;; Russian buh-ryees fyaw-duh-ruh-vyich] /ˈbɔr ɪs fɪˈdɔr ə vɪtʃ,, ˈboʊr-,, ˈbɒr-;; Russian bʌˈryis ˈfyɔ də rə vyɪtʃ/ (Show IPA), 1552–1605, regent of Russia 1584–98 and czar 1598–1605.
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- bounced flash — a flash bounced off a reflective surface, as a ceiling or wall, to illuminate a subject indirectly.
- bouncy castle — A bouncy castle is a large object filled with air, often in the shape of a castle, which children play on at a fairground or other outdoor event.
- boundary scan — The use of scan registers to capture state from device input and output pins. IEEE Standard 1149.1-1990 describes the international standard implementation (sometimes called JTAG after the Joint Test Action Group which began the standardisation work).
- boustrophedon — having alternate lines written from right to left and from left to right
- brain surgeon — a surgeon who specializes in brain surgery
- brain surgery — operation on the brain
- brain truster — a member of a brain trust; an important but usually unofficial adviser.
- brass foundry — a foundry that makes things from brass
- brass rubbing — A brass rubbing is a picture made by placing a piece of paper over a brass plate that has writing or a picture on it, and rubbing it with a wax crayon.
- brass-rubbing — an antiquarian's technique for copying designs from incised brass memorial slabs and the like.
- brassfounding — the practice of making things from brass
- bronco buster — a person who breaks broncos to the saddle.
- brown mustard — black mustard. See under mustard (def 2).
- buccaneerings — the characteristic actions of a buccaneer
- buck sergeant — a newly promoted sergeant
- buenas noches — good night
- buffalo wings — spicy fried segments of chicken wings, usually served with celery sticks and a sauce of blue cheese
- buggin's turn — promotion by seniority or rotation rather than merit.
- buggins' turn — the principle of awarding an appointment to members of a group in turn, rather than according to merit
- building site — A building site is an area of land on which a building or a group of buildings is in the process of being built or altered.
- bulk settling — Bulk settling is a process in which two liquids, or a solid and a liquid, of different densities are allowed to separate by gravity.
- bums on seats — If the organizers of an event such as a concert want to put bums on seats, they want a lot of people to attend it.
- bundle of his — atrioventricular bundle.
- bundle sheath — a layer of cells in plant leaves and stems that surrounds a vascular bundle.
- bunker buster — a laser-guided bomb designed to penetrate deep underground, as into rock or concrete, before detonating.
- bunko steerer — a swindler, especially a person who lures another to a gambling game to be cheated.
- bunsen burner — a gas burner, widely used in scientific laboratories, consisting of a metal tube with an adjustable air valve at the base
- buridan's ass — an example intended to show the deficiency of reason. An ass standing equidistant from two identical heaps of oats starves to death because reason provides no grounds for choosing to eat one rather than the other
- burnham scale — the salary scale for teachers in English state schools, which is revised periodically
- burning glass — a convex lens for concentrating the sun's rays into a small area to produce heat or fire
- burt standish — Burt L. pseudonym of Gilbert Patten.
- bus mastering — bus master
- bush sickness — an animal disease caused by a cobalt deficiency in old bush country
- busheled iron — heterogeneous iron made from scrap iron and steel.
- business card — A person's business card or their card is a small card which they give to other people, and which has their name and details of their job and company printed on it.
- business case — a briefcase or attaché case.
- business park — an area specially designated and landscaped to accommodate business offices, warehouses, light industry, etc
- business plan — A business plan is a detailed plan for setting up or developing a business, especially one that is written in order to borrow money.
- business suit — a formal suit suitable for wearing to work
- business trip — a journey made somewhere and back again for business purposes in one's working capacity
- businesswoman — A businesswoman is a woman who works in business.
- butter muslin — a fine loosely woven cotton material originally used for wrapping butter
- butterfingers — a person who drops things inadvertently or fails to catch things
- by its nature — If you say that something has a particular characteristic by its nature or by its very nature, you mean that things of that type always have that characteristic.
- cabin cruiser — A cabin cruiser is a motor boat which has a cabin for people to live or sleep in.