14-letter words containing r, u, n, e, b
- kentucky derby — a horse race for three-year-olds, run annually since 1875, on the first Saturday in May, at Churchill Downs in Louisville, Ky.: the first race in the Triple Crown.
- khirbet qumran — an archaeological site in W Jordan, near the NW coast of the Dead Sea: Dead Sea Scrolls found here 1947.
- laundry basket — container for clothes and linen
- leibniz's rule — a rule for finding the derivative of the product of two functions. For a first derivative it is d(uv)/dx = udv/dx + vdu/dx
- licence number — an identifying number on a licence or licence plate that identifies it with the owner
- license number — The license number of a car or other road vehicle is the series of letters and numbers that are shown at the front and back of it.
- linen cupboard — airing cupboard
- liqueur brandy — sweetened flavoured brandy
- lugubriousness — The property of being lugubrious.
- lumbersomeness — the state of being lumbersome
- manufacturable — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
- marsupial bone — epipubis.
- messier number — a number (preceded by M) designating the 109 double stars, clusters, nebulae, and galaxies in the Messier catalog.
- money-grubbing — a person who is aggressively engaged in or preoccupied with making or saving money.
- mound builders — a member of any of the early American Indian peoples who built the burial mounds, fortifications, and other earthworks found in the Midwest and the Southwest
- mourning bride — a plant, Scabiosa atropurpurea, native to Europe, cultivated for its purple, reddish, or white flowers.
- natural bridge — a natural limestone bridge in western Virginia. 215 feet (66 meters) high; 90 feet (27 meters) span.
- natural number — a positive integer or zero.
- natural rubber — rubber1 (def 1).
- nebuchadnezzar — Also, Nebuchadrezzar [neb-uh-kuh d-rez-er, neb-yoo-] /ˌnɛb ə kədˈrɛz ər, ˌnɛb yʊ-/ (Show IPA). a king of Babylonia, 604?–561? b.c., and conqueror of Jerusalem. II Kings 24, 25.
- neighbourhoods — Plural form of neighbourhood.
- network number — network address
- neubrandenburg — a city in Mecklenburg–West Pomerania, in NE Germany.
- neurobiologist — the branch of biology that is concerned with the anatomy and physiology of the nervous system.
- neuroblastomas — Plural form of neuroblastoma.
- neurofibromata — a benign neoplasm composed of the fibrous elements of a nerve.
- neutron number — the number of neutrons in the nucleus of an atom, equal to the mass number minus the atomic number of the atom. Symbol: N.
- nitrile rubber — a synthetic rubber obtained by the copolymerization of acrylonitrile and butadiene, noted for its oil resistance.
- nitrobacterium — Any of the several genera of bacteria in soil that take part in the nitrogen cycle, oxidizing ammonium and organic nitrogen compounds to the more soluble nitrite and nitrate.
- non-recoupable — to get back the equivalent of: to recoup one's losses by a lucky investment.
- non-repudiable — to reject as having no authority or binding force: to repudiate a claim.
- non-returnable — not returnable.
- nonbarbiturate — a drug that does not contain barbiturates
- nonbehavioural — not related to or concerned with behaviour
- nonequilibrium — The condition of not being in equilibrium.
- nonobstructive — to block or close up with an obstacle; make difficult to pass: Debris obstructed the road.
- northumberland — a county in NE England. 1943 sq. mi. (5030 sq. km).
- nudibranchiate — nudibranch.
- nursing bottle — a bottle with a rubber nipple, from which an infant sucks milk, water, etc.
- on the rebound — to bound or spring back from force of impact.
- ordinal number — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- orobanchaceous — belonging to the Orobanchaceae, the broomrape family of plants.
- over-abundance — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overburdensome — excessively burdensome.
- perfect number — a positive number that is equal to the sum of all positive integers that are submultiples of it, as 6, which is equal to the sum of 1, 2, and 3.
- perturbational — relating to perturbation
- plenum-chamber — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.
- prandtl number — the ratio of the fluid viscosity to the thermal conductivity of a substance, a low number indicating high convection.
- prepublication — the period immediately preceding the publication of a book.
- pressure cabin — a pressurized cabin.