12-letter words containing r, i, b, o, n
- nonmicrobial — not microbial, not caused by or related to microbes
- normalizable — That can be normalized.
- northumbrian — of or relating to Northumbria, Northumberland, or the inhabitants or dialect of either.
- notice board — bulletin board for displaying public messages
- noticeboards — Plural form of noticeboard.
- 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.
- obedientiary — The holder of a monastic rank or office below that of superior.
- objecteering — (programming, tool) An object-oriented design tool from Softeam, based on the Class Relation Methodology, with C++ code generation.
- obliterating — Present participle of obliterate.
- obliteration — the act of obliterating or the state of being obliterated.
- obscurantism — opposition to the increase and spread of knowledge.
- obscurantist — opposition to the increase and spread of knowledge.
- obscurations — Plural form of obscuration.
- observations — Plural form of observation.
- obstetrician — a physician who specializes in obstetrics. Abbreviation: OB, ob.
- obstructions — Plural form of obstruction.
- olefin fiber — any of a group of synthetic textile fibers, as Herculon, formed from long-chain polymers no less than 85 percent ethylene, propylene, or other olefin units.
- 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
- on your bike — away you go
- 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.
- overbrimming — Present participle of overbrim.
- overbuilding — Present participle of overbuild.
- overtime ban — a refusal by employees to work overtime
- 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.
- pilot burner — pilot light (def 1).
- 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.
- powerboating — a boat propelled by mechanical power.
- 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.
- probationary — the act of testing.
- proboscidean — pertaining to or resembling a proboscis.
- procarbazine — a drug used in the treatment of cancer, esp lymphomas
- 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.
- 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.
- 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.