12-letter words containing u, n, b, r, o
- neutron bomb — a nuclear bomb designed to release radiation consisting mainly of neutrons, thus causing extensive loss of life but relatively little damage to buildings and property and only brief radioactive contamination.
- nielsbohrium — dubnium: symbol, Ns: the name originally proposed by Russian scientists for this element
- nimbostratus — a cloud of a class characterized by a formless layer that is almost uniformly dark gray; a rain cloud of the layer type, of low altitude, usually below 8000 feet (2440 meters).
- non-arguable — susceptible to debate, challenge, or doubt; questionable: Whether this is the best plan of action or not is arguable.
- noncrushable — (of a container, material, etc) not easily crushed
- nonturbulent — Not turbulent.
- northborough — a town in central Massachusetts.
- northumbrian — of or relating to Northumbria, Northumberland, or the inhabitants or dialect of either.
- not-a-number — (mathematics) (NaN) An IEEE floating point representation for the result of a numerical operation which cannot return a valid number value. A NaN can result from multiplying an infinity by a zero, or from subtracting one infinity from another [what else?]. NaN is encoded as a special bit pattern [what pattern?] which would otherwise represent a floating-point number. It is used to signal error returns where other mechanisms are not convenient, e.g. a hardware floating-point unit and to allow errors to propagate through a calculation. Similar bit patterns represent positive and negative overflow and underflow and the positive and negative infinities resulting from division by zero.
- nuclear bomb — atomic explosive
- number opera — an opera in which the arias, ensembles, recitatives, and other sections are clearly separated from one another.
- numbers pool — Also called numbers, numbers game, numbers racket. an illegal daily lottery in which money is wagered on the appearance of certain numbers in some statistical listing or tabulation published in a daily newspaper, racing form, etc.
- nuxi problem — (data, architecture) /nuk'see pro'bl*m/ The problem of transferring data between computers with differing byte order. The string "Unix" might look like "NUXI" on a machine with a different "byte sex" (e.g. when transferring data from a little-endian to a big-endian, or vice-versa). See also middle-endian, swab, and bytesexual.
- obdurateness — The characteristic of being obdurate; stubbornness.
- obscurantism — opposition to the increase and spread of knowledge.
- obscurantist — opposition to the increase and spread of knowledge.
- obscurations — Plural form of obscuration.
- obstructions — Plural form of obstruction.
- ombudsperson — ombudsman (def 2).
- on your bike — away you go
- order number — a number associated with a purchase or merchandise order
- orion nebula — a luminous nebula in the constellation Orion, in the center of Orion's sword.
- osco-umbrian — a group of languages, usually classified as Italic, that contains Oscan and Umbrian.
- outnumbering — Present participle of outnumber.
- overabundant — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overbuilding — Present participle of overbuild.
- overburdened — Excessively burdened.
- paul-boncour — Joseph [zhaw-zef] /ʒɔˈzɛf/ (Show IPA), 1873–1972, French lawyer and statesman: premier 1932–33.
- pearl button — a button (as for fastening a shirt, blouse, etc) made of pearl or mother-of-pearl
- perturbation — the act of perturbing.
- petrobrusian — a member of a 12th-century sect in S France that rejected the Mass, infant baptism, prayers for the dead, sacerdotalism, the veneration of the cross, and the building of churches.
- petrobutanol — butyl alcohol.
- phone number — of individual, business
- pilot burner — pilot light (def 1).
- pollen brush — the mass of stiff hairs on the legs or abdomen of an insect, for collecting pollen.
- premium bond — In Britain, premium bonds are numbered tickets that are sold by the government. Each month, a computer selects several numbers, and the people whose tickets have those numbers win money.
- press button — a button on a phone dial which you press
- protuberance — the condition, state, or quality of being protuberant.
- protuberancy — protuberance.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- redoublement — the act of redoubling
- renounceable — of a nature that can be renounced
- reset button — control that restores a default setting
- resubmission — Law. an agreement between parties involved in a dispute, to abide by the decision of an arbitrator or arbitrators.
- revenue bond — a bond issued, as by a municipal utility, to finance a specific project, the income from which will be used for repaying the bond.
- reynoldsburg — a town in central Ohio.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- rock bunting — a seed-eating songbird, Emberiza cia
- round barrow — a funerary barrow having a bell, disk, saucer, or pond shape, primarily of the Bronze Age and containing the cremated remains of corpses along with grave artifacts.
- roundaboutly — in a roundabout manner