12-letter words containing p, r, o, b
- gerontophobe — a person who fears or hates old people or the idea of growing old
- graphophobia — Fear or dislike of writing.
- gypsum board — wallboard composed primarily of gypsum and often used as sheathing.
- heterophobia — Fear or resentment of what is different.
- hop hornbeam — any of several Eurasian and North American trees of the genus Ostrya, of the birch family, especially O. virginiana, bearing hoplike fruiting clusters.
- hopper barge — a barge for disposing of garbage, dredged material, etc., having hoppers in the bottom through which such cargo can be dumped.
- hyperbolical — having the nature of hyperbole; exaggerated.
- hyperbolised — to use hyperbole; exaggerate.
- hyperbolized — Simple past tense and past participle of hyperbolize.
- hyperboloids — Plural form of hyperboloid.
- iambographer — a person who writes iambs
- ibota privet — a Japanese spreading shrub, Ligustrum obtusifolium, of the olive family, having hairy leaves and nodding white flower clusters.
- impardonable — (obsolete) unpardonable.
- imperforable — not able to be perforated
- imponderable — not ponderable; that cannot be precisely determined, measured, or evaluated.
- imprisonable — capable of being imprisoned or incarcerated
- incomparable — beyond comparison; matchless or unequaled: incomparable beauty.
- incomparably — beyond comparison; matchless or unequaled: incomparable beauty.
- incorporable — able to be incorporated.
- interpolable — able to be interpolated, or suited to interpolation
- irreprovable — Not reprovable; irreproachable.
- irreprovably — in an irreprovable manner
- job printing — commercial printing of such items as letterheads, circulars, invitations, etc.
- joseph brant — Joseph (Thayendanegea) 1742–1807, Mohawk Indian chief who fought on the side of the British in the American Revolution.
- labour pains — the pains felt during the contractions of childbirth
- labour party — a political party in Great Britain, formed in 1900 from various socialist and labor groups and taking its present name in 1906.
- liberty pole — Also called liberty tree. American History. a pole or tree, often with a liberty cap or a banner at the top, usually located on a village green or in a market square, used by the Sons of Liberty in many colonial towns as a symbol of protest against British rule and around which anti-British rallies were held.
- line probing — A feature of some V.34 modems that will allow them to identify the capacity and quality of the phone line and adjust themselves to allow, for each individual connection, for maximum throughput using the highest possible data transmission rate.
- lobular pump — a blower or pump displacing air or liquid by means of rotors having meshing lobes that act as a seal at their place of mesh.
- marimbaphone — (obsolete, music) A kind of percussion idiophone, like the marimba but with steel keys instead of wood, developed in early 20th century United States.
- metabotropic — Describing a neurotransmitter or cell receptor whose action is mediated by metabolic functions (e.g. enzyme activation).
- micropublish — to publish on microfilm or microfiche.
- mobius strip — a continuous, one-sided surface formed by twisting one end of a rectangular strip through 180° about the longitudinal axis of the strip and attaching this end to the other.
- multiproblem — characterized by or experiencing several problems
- nobel prizes — any of various awards made annually, beginning in 1901, from funds originally established by Alfred B. Nobel for outstanding achievement in physics, chemistry, medicine or physiology, literature, and the promotion of peace; an annual award in economics was established in 1969 from private funds.
- non-operable — that can be treated by a surgical operation. Compare inoperable (def 2).
- nonpermeable — capable of being permeated.
- nonrepayable — that does not need to be or cannot be repaid
- 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.
- obcompressed — compressed or flattened in a way opposite to the usual, as back to front instead of side to side.
- obreptitious — having the characteristics of acquiring something by deceitful means
- observership — someone or something that observes.
- obstreperate — to be extremely noisy or to create a resounding din
- obstreperous — resisting control or restraint in a difficult manner; unruly.
- ombrophilous — (of plants) tolerant of wet conditions
- ombrophobous — (of plants) not able to tolerate wet conditions
- ombudsperson — ombudsman (def 2).
- on probation — under the supervision of a probation officer