12-letter words containing b, o, m, r
- gambrel roof — a gable roof, each side of which has a shallower slope above a steeper one. Compare mansard (def 1).
- germanophobe — a person who hates or fears Germany, Germans, or German culture.
- gravicembalo — a harpsichord.
- gypsum board — wallboard composed primarily of gypsum and often used as sheathing.
- hall bedroom — a small bedroom off a corridor, esp. a small bedroom formed by partitioning off the end of an upstairs corridor
- harbormaster — A harbormaster is the official in charge of a harbor.
- harmonizable — That can be harmonized.
- heavy bomber — a large plane capable of carrying heavy bomb loads for long distances, especially at high altitudes.
- hobby farmer — a person who runs a farm as a hobby rather than a means of making a living
- homebuilders — Plural form of homebuilder.
- 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.
- house number — the unique number given to each building on a street which forms part of that building's address
- hydrobromate — (chemistry) hydrobromide.
- hydrobromide — a salt formed by the direct union of hydrobromic acid and an organic base, especially an alkaloid, usually more soluble than the base.
- iambographer — a person who writes iambs
- immobilizers — Plural form of immobilizer.
- 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.
- informidable — (obsolete) Not formidable; not to be feared or dreaded.
- irreformable — insusceptible to reforming influences; incorrigible.
- irreformably — in an irreformable manner
- labia majora — female genitals: outer folds of skin
- labia minora — female genitals: inner folds of skin
- labor market — the available supply of labor considered with reference to the demand for it.
- late bloomer — a person whose talents or capabilities are slow to develop: A late bloomer, she wrote her first novel when she was almost 50.
- lemon butter — a spread made of butter flavored with lemon
- liberum veto — a veto exercised by a single member of a legislative body whose rules require unanimity.
- light bomber — a small airplane designed to carry light bomb loads relatively short distances, especially one having a gross loaded weight of less than 100,000 pounds (45,000 kg).
- lobster moth — a large sombre-hued prominent moth, Stauropus fagi, that when at rest resembles dead leaves. The modified thoracic legs of the larva, carried curled over its body, look like a lobster's claw
- 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.
- lumbriciform — resembling a lumbricus; wormlike
- luxembourger — a native or inhabitant of Luxembourg.
- macrobiotics — a philosophically oriented program incorporating elements from several ancient cultures and emphasizing harmony with nature, especially through adherence to a diet consisting primarily of whole grains, beans, vegetables, and moderate amounts of seafood and fruit.
- malibu board — a lightweight, fiberglass-covered surfboard, usually about 10 feet (3 meters) long with a rounded nose and tail and a convex bottom for increased maneuverability.
- manoeuvrable — Alternative spelling of maneuverable.
- mantelboards — Plural form of mantelboard.
- 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.
- marine borer — any mollusc or crustacean that lives usually in warm seas and destroys wood by boring into and eating it. The gribble and shipworm are the best known since they penetrate any wood in favourable water
- masturbation — the stimulation or manipulation of one's own genitals, especially to orgasm; sexual self-gratification.
- masturbatory — the stimulation or manipulation of one's own genitals, especially to orgasm; sexual self-gratification.
- melon baller — a small cooking utensil with a handle and a rounded scoop, which you insert into a melon and twist to extract a ball of flesh
- memorability — worth remembering; notable: a memorable speech.
- messageboard — Alternative spelling of message board.
- metabotropic — Describing a neurotransmitter or cell receptor whose action is mediated by metabolic functions (e.g. enzyme activation).
- michel baron — Michel [mee-shel] /miˈʃɛl/ (Show IPA), (Michel Boyron) 1653–1729, French actor.
- microbalance — a balance for weighing minute quantities of material.