12-letter words containing a, r, p, o, b
- camphor ball — mothball
- cancerphobia — an excessive fear of getting cancer
- carbon paper — Carbon paper is thin paper with a dark substance on one side. You use it to make copies of letters, bills, and other papers.
- cardiophobia — An inordinate fear of heart disease.
- cerebropathy — A hypochondriacal condition verging upon insanity, occurring in those whose brains have been unduly taxed.
- chapter book — a children's book, typically a work of fiction, of moderate length and complexity, divided into chapters and intended for readers approximately seven to ten years old
- chromophobia — Lb biology The quality of being resistant to staining.
- chronophobia — Fear of the passing of time, or more generally of time itself.
- clapboarding — Present participle of clapboard.
- clapperboard — A clapperboard consists of two pieces of wood that are connected by a hinge and hit together before each scene when making a film, to make it easier to match the sound and pictures of different scenes.
- coulrophobia — an abnormal fear of clowns.
- double sharp — a symbol (× or ) that raises by two semitones the pitch of the following note.
- drop a brick — a block of clay hardened by drying in the sun or burning in a kiln, and used for building, paving, etc.: traditionally, in the U.S., a rectangle 2.25 × 3.75 × 8 inches (5.7 × 9.5 × 20.3 cm), red, brown, or yellow in color.
- equiprobable — (of two or more things ) equally likely to occur; having equal probability.
- espresso bar — a coffee house that specializes in espresso coffee and other coffee drinks with an espresso base
- exprobration — the act of reproaching
- exprobrative — signifying reproach, reproachful
- exprobratory — acting as a reproach
- francophobia — the phenomenon of hating French speakers, culture, or people
- gaboon viper — a large, venomous snake, Bitis gabonica, of tropical African forests, having large retractable fangs and geometrically patterned scales of yellow, brown, and sometimes purple.
- germanophobe — a person who hates or fears Germany, Germans, or German culture.
- 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.
- 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
- 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.
- 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).
- 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.
- obstreperate — to be extremely noisy or to create a resounding din