12-letter words containing u, r, b, a
- opera bouffe — a comic opera, especially of farcical character.
- orbicularity — The quality of being orbicular.
- orchard bush — open savanna country with occasional trees and scrub, as found north of the W African forest belt
- 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.
- overabundant — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- pan scrubber — a rough sponge, often made of steel wool, used for scrubbing saucepans, frying pans, etc
- pastry brush — a small, flat brush for coating pastry with butter, egg, etc.
- 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
- perambulator — baby carriage.
- perturbation — the act of perturbing.
- perturbative — having a tendency to perturb; disturbing.
- 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.
- poplar bluff — a city in SE Missouri.
- presbyacusis — an age-related, progressive loss of hearing in both ears
- press bureau — an organization or a department whose function is press-agentry.
- prosecutable — Law. to institute legal proceedings against (a person). to seek to enforce or obtain by legal process. to conduct criminal proceedings in court against.
- protuberance — the condition, state, or quality of being protuberant.
- protuberancy — protuberance.
- pseudorabies — a highly contagious, usually fatal disease of cattle, sheep, and other animals, caused by the herpesvirus Herpes suis, and characterized by severe pruritus and progressive central nervous system involvement sometimes including an aggressive excitement phase.
- pulp chamber — the crown portion of the pulp cavity.
- pulverizable — that can be pulverized
- pyjama rugby — an uncomplimentary term for the Super 12 Rugby Union competition that involves teams from South Africa, Australia, and New Zealand, and which is noted for its free-flowing nature and lack of attritional play between the forwards
- quarter bend — a 90° bend, as in a plumbing pipe.
- quarterbacks — Plural form of quarterback.
- quillai bark — soapbark (def 2).
- rabbit hutch — a cage, usually of wood and wire mesh, for keeping domestic or pet rabbits in
- rabbit punch — a short, sharp blow to the nape of the neck or the lower part of the skull.
- rabble-rouse — to stir up the emotions or prejudices of the public; agitate.
- rag business — the garment, clothing, or fashion industry.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- rambus, inc. — (company) The company which designed Rambus DRAM. Address: Mountain View, CA., USA.
- rauschenberg — Robert, 1925–2008, U.S. artist.
- reattributed — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- recarburizer — to add carbon to (steel), as in an open-hearth furnace, as by adding pig iron.
- regular verb — verb that follows standard conjugation
- reimbursable — to make repayment to for expense or loss incurred: The insurance company reimbursed him for his losses in the fire.
- renounceable — of a nature that can be renounced
- reputability — held in good repute; honorable; respectable; estimable: a reputable organization.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- 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
- rubber latex — the milky sap of any of several trees of the genus Hevea, especially H. brasiliensis, from which natural rubber is derived.
- rubber match — rubber2 (def 4)
- rubber plant — a plant, Ficus elastica, of the mulberry family, having oblong, shining, leathery leaves, growing native as a tall tree in India, the Malay Archipelago, etc., used as a source of rubber and cultivated in Europe and America as an ornamental house plant.
- rubber stamp — handheld printing tool
- rubber-faced — having a face with unusually mobile features: a rubber-faced comedian.
- rubber-stamp — to imprint with a rubber stamp.