15-letter words containing b, r, o, i
- motoring public — the population that drive road vehicles
- mount suribachi — a volcanic hill in the Volcano Islands, on Iwo Jima: site of a US victory (1945) over the Japanese in World War II
- mountain beaver — a burrowing rodent, Aplodontia rufa, of W North America: family Aplodontidae
- multi-binprolog — (language) A multi-threaded Linda-style parallel extension to BinProlog for Solaris 2.3. Version: 3.30.
- muslim brothers — an organization founded in Egypt in 1928 by Hasan al-Banna (1906–49), calling for a return to rigid orthodoxy, the overthrow of secular governments, and a restoration of the theocratic state.
- myofibroblastic — Relating to myofibroblasts.
- nanofabrication — the design and manufacture of products and structures, especially electronic devices, with dimensions measured in nanometers.
- necrobacillosis — any disease of cattle, horses, sheep, and swine marked by necrotic areas in which a bacillus, Fusobacterium necrophorum, is found.
- neighbor states — the states or countries next to another state or country
- neighbourliness — Standard spelling of neighborliness.
- neurobehavioral — of or relating to an approach to studying behavior that stresses the importance of nerve and brain function.
- neurobiological — the branch of biology that is concerned with the anatomy and physiology of the nervous system.
- neurofibrillary — Of or pertaining to a neurofibril.
- nickel carbonyl — a colorless or yellow, volatile, water-insoluble, poisonous, flammable liquid, Ni(CO) 4 , obtained by the reaction of nickel and carbon monoxide, and used for nickel-plating.
- nicobar islands — a group of 19 islands in the Indian Ocean, south of the Andaman Islands, with which they form a territory of India. Area: 1645 sq km (635 sq miles)
- non-contributor — a person who contributes money, assistance, etc.
- non-depreciable — capable of depreciating or being depreciated in value.
- non-equilibrium — a state of rest or balance due to the equal action of opposing forces.
- non-putrescible — liable to become putrid.
- non-rectifiable — able to be rectified.
- non-responsible — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- nonattributable — not capable of being attributed to a particular source or cause
- nonbelligerency — the state or status of not participating in a war.
- nonbiographical — not biographical, not relating to biography or events in a person's life
- nonbureaucratic — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
- noncompressible — not able to be compressed
- noncontributory — pertaining to or of the nature of contribution; contributing.
- nonreproducible — Unable to be reproduced; not reproducible.
- nordic combined — a competition for Nordic skiers comprising ski jumping and cross-country skiing events, the winner having the highest combined score.
- not a dickybird — not a word; nothing
- not before time — If you say not before time after a statement has been made about something that has been done, you are saying in an emphatic way that you think it should have been done sooner.
- nullarbor plain — a treeless, semiarid area of S Australia, contiguous to the Great Australian Bight.
- obedience trial — a competitive event at which a dog can progress toward a degree in obedience by demonstrating its ability to follow a prescribed series of commands.
- obituary column — the division of a publication reserved for obituaries
- object-oriented — pertaining to or denoting a system, programming language, etc., that supports the use of objects, as an entire image, a routine, or a data structure.
- objective prism — a large prism placed in front of the objective lens or mirror of a telescope, allowing the simultaneous acquisition of the spectra of many stars.
- observation car — a railroad passenger car having a lounge or platform from which the scenery can be viewed.
- observationally — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- obstructionists — Plural form of obstructionist.
- obstructiveness — The characteristic of being obstructive.
- obtuse triangle — a triangle with one obtuse angle.
- octanitrocubane — (organic compound) A high explosive derived from cubane.
- omega-algebraic — In domain theory, a complete partial order is algebraic if every element is the lub of some chain of compact elements. If the set of compact elements is countable it is omega-algebraic. Usually written with a Greek letter omega (LaTeX \omega).
- one for his nob — the call made with this jack, scoring one point
- operating table — table on which surgery is performed
- opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
- opprobriousness — The state or condition of being opprobrious.
- order-embedding — A function f : D -> C is order-embedding iff for all x, y in D, f(x) <= f(y) <=> x <= y. I.e. arguments and results compare similarly. A function which is order-embedding is monotonic and one-to-one and an injection. ("<=" is written in LaTeX as \sqsubseteq).
- ordinal numbers — 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).
- organized labor — all workers who are organized in labor unions.