13-letter words containing n, u
- 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
- buoyancy tank — an enclosed air-filled section of a boat, ship or hovercraft designed to keep it afloat and prevent it from sinking
- buoyant force — the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body.
- buprenorphine — an opiate used medicinally as a powerful analgesic
- burial ground — A burial ground is a place where bodies are buried, especially an ancient place.
- 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
- burrowing owl — a ground owl (Athene cunicularia) of the prairie regions of North and South America having long legs and a small head: it makes its nest in abandoned burrows
- 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.
- butanoic acid — kind of acid
- butcher knife — a large, very sharp knife for cutting or trimming meat.
- butcher linen — a strong, heavy fabric made of rayon or rayon and cotton with a linen finish, constructed in plain weave.
- 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
- butterfly net — a lightweight, fine net on the end of a pole used for catching butterflies
- butterfly nut — wing nut.
- buttoned-down — conventional or conservative
- butyl nitrite — a volatile liquid, C 4 H 9 NO 2 , the vapor of which can cause headache and vasodilation, used as an active ingredient in some household deodorizers, and misused by inhalation to prolong the sensation of orgasm.
- butyrophenone — a drug used to treat psychiatric disorders
- 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.
- by reputation — If you know someone by reputation, you have never met them but you have heard of their reputation.
- cab rank rule — the rule that obliges barristers to take on any client in strict rotation
- cabin cruiser — A cabin cruiser is a motor boat which has a cabin for people to live or sleep in.
- cacophonously — In a cacophonous manner.
- cadmium green — a pigment used in painting, consisting of a mixture of hydrated oxide of chromium with cadmium sulfide, and characterized by its strong green color and slow drying rate.
- cafe curtains — short, straight curtains, esp. for covering the lower part of a window, hung from a rod by means of sliding rings
- calculatingly — In a calculating manner.
- calculational — relating to calculation
- calf's tongue — a molding having pendent, tonguelike members in relief against a flat or molded surface.
- call the tune — to be in control of the proceedings
- call the turn — to predict successfully
- callithumpian — relating to or resembling a callithump
- campaign fund — money for a campaign, as of a political candidate, usually acquired through contributions by supporters.
- canal du midi — a canal in S France, extending from the River Garonne at Toulouse to the Mediterranean at Sète and providing a link between the Mediterranean and Atlantic coasts: built between 1666 and 1681. Length: 181 km (150 miles)
- canaliculated — Canaliculate.