12-letter words containing b, r, i, a, o
- obstetrician — a physician who specializes in obstetrics. Abbreviation: OB, ob.
- olallieberry — a blackberry that is a cross between the loganberry and the youngberry, cultivated in California and Oregon.
- olivary body — one of two oval bodies or prominences composed of nerve tissue, one on each side of the anterior surface of the medulla oblongata.
- olive branch — a branch of the olive tree as an emblem of peace.
- on probation — under the supervision of a probation officer
- on shipboard — on board a ship
- on the brain — constantly in mind
- orbicularity — The quality of being orbicular.
- orbital road — a highway that circles a metropolitan area; ring road
- 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.
- overtime ban — a refusal by employees to work overtime
- paleoliberal — a person advocating a more extreme form of liberalism, especially in politics.
- peabody bird — the white-throated sparrow.
- 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.
- polysaprobic — flourishing in a body of water having a heavy load of decomposed organic matter and almost no free oxygen
- port alberni — a port in SW British Columbia, in SW Canada, on the E central part of Vancouver Island, on an inlet of the Pacific Ocean.
- postabortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- postbrachial — belonging to the arm, foreleg, wing, pectoral fin, or other forelimb of a vertebrate.
- powerboating — a boat propelled by mechanical power.
- probationary — the act of testing.
- problematics — problems or difficulties in a particular situation or subject
- problematize — to demonstrate to be unsettled or uncertain, or more complex than originally assumed or regarded; show to be problematic
- proboscidate — having a proboscis.
- proboscidean — pertaining to or resembling a proboscis.
- procarbazine — a drug used in the treatment of cancer, esp lymphomas
- proscribable — to denounce or condemn (a thing) as dangerous or harmful; prohibit.
- proverbially — of, relating to, or characteristic of a proverb: proverbial brevity.
- 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.
- rabbet joint — a joint between rabbeted parts.
- radio beacon — a radio station that sends a characteristic signal so as to enable ships or airplanes to determine their position or bearing by means of a radio compass.
- radio-carbon — Also called carbon 14. a radioactive isotope of carbon with mass number 14 and a half-life of about 5730 years: widely used in the dating of organic materials.
- radiobiology — the branch of biology dealing with the effects of radiation on living matter.
- ragged robin — a plant, Lychnis flos-cuculi, of the pink family, having pink or white flowers with dissected petals.
- rainbow bird — an Australian bee-eater, Merops ornatus, with brightly coloured plumage. It feeds in flight and nests in sandy burrows
- rainbow fish — guppy.
- rainbow flag — a multicoloured flag used as a symbol of peace; often used to represent gay and lesbian pride
- rainbow roof — a gable roof in the form of a broad Gothic arch, with gently sloping convex surfaces.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- rattail comb — a comb for the hair having a narrow, pointed handle used in styling the hair.
- reabsorption — resorption (def 2).
- reading book — a book for people who are learning to read, to help them become accustomed to looking at and understanding written words
- recognizable — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- reconcilable — capable of being reconciled.
- renegotiable — to negotiate again, as a loan, treaty, etc.
- review board — panel appointed to reconsider a matter
- ribbon cable — (hardware) A type of flat multicore cable with cores positioned side-by-side, making it quick and relatively easy to clamp an Insulation Displacement Connector (IDC) across all cores. Ribbon cables typically have grey insulation with cores on a 0.050" pitch and a red stripe marking Pin 1. They are less resilient than screened, multicore cable and are usually used inside equipment where little movement or plugging and unplugging are expected. A common use is connecting a disk drive to the motherboard in a PC.
- ribbon plant — spider plant (def 1).
- ribbon snake — either of two long-tailed garter snakes, Thamnophis proximus or T. sauritus, of eastern and central North America, having a brownish body and yellow or orange stripes.