15-letter words containing a, b, n, o, r
- hot-air balloon — passenger balloon
- hybrid antibody — a synthetic antibody that is able to combine with two different antigens
- hype-carbonated — (of a product or service) overvalued as a result of relentless marketing and PR or intensive media exposure
- ibero-maurusian — of or relating to an Epipaleolithic culture of northwestern Africa that preceded the Capsian culture and was once erroneously thought to have originated in southwestern Europe; characterized by the use of backed bladelets, occupation of the maritime plain, and the hunting of the Barbary sheep.
- immunoadsorbent — immunosorbent.
- imponderability — The state or characteristic of being imponderable.
- incendiary bomb — a bomb that is designed to start fires
- incommensurable — not commensurable; having no common basis, measure, or standard of comparison.
- incommensurably — In an incommensurable manner; immeasurably.
- incomparability — beyond comparison; matchless or unequaled: incomparable beauty.
- indicator board — a device that shows information, such as the arrival and departure times of trains or planes
- indirect labour — work done in administration and sales rather than in the manufacturing of a product
- indoor baseball — softball played indoors.
- insubordinately — In an insubordinate manner.
- insubordination — the quality or condition of being insubordinate, or of being disobedient to authority; defiance: The employee was fired for insubordination.
- intolerableness — The state of being intolerable or insufferable.
- intra-abdominal — being within the abdomen.
- irreconcileable — Alternative spelling of irreconcilable.
- irrevocableness — Quality of being irrevocable.
- irritable colon — any combination of common disturbances of the bowel, as diarrhea or constipation, occurring with abdominal pain, sometimes accompanied by psychological stress. Abbreviation: IBS.
- jacob ben asher — c1269–c1340, Hebrew commentator on the Bible and codifier of Jewish law.
- job enlargement — a widening of the range of tasks performed by an employee in order to provide variety in the activities undertaken
- john barleycorn — a personification of barley as used in malt liquor, of malt liquor itself, or of any intoxicating liquor.
- journal bearing — a plain cylindrical bearing to support a shaft or axle
- knight bachelor — bachelor (def 3).
- labor relations — worker-employer relationship
- labor-intensive — requiring or using a large supply of labor, relative to capital.
- labyrinthodonts — Plural form of labyrinthodont.
- lambda-b baryon — a protonlike baryon containing a b quark; a neutral baryon with a mass 11,000 times that of the electron and a mean lifetime of approximately 1.1 X 10 -12 seconds.
- lambda-c baryon — a positively charged baryon with a mean lifetime of approximately 2.1 X 10 -13 seconds.
- liberalizations — Plural form of liberalization.
- library edition — an edition of a book prepared for library use, especially with a library binding.
- lobar pneumonia — pneumonia (def 2).
- lubricating oil — an oily substance that is used to cover or treat machinery so as to lessen friction
- maldistribution — bad or unsatisfactory distribution, as of wealth, among a population or members of a group.
- man-o'-war bird — frigate bird.
- man-of-war bird — frigate bird.
- manoeuvrability — The quality of being manoeuvrable.
- manukau harbour — an inlet of the Tasman Sea near Auckland in New Zealand on NW North Island
- māori battalion — the Māori unit of the 2nd New Zealand Expeditionary Force in World War II
- maxilloturbinal — (anatomy) Pertaining to the maxillary and turbinal regions of the skull.
- medieval breton — the Breton language of the Middle Ages, usually dated from the 12th to the mid-17th centuries.
- morale-boosting — A morale-boosting action or event makes people feel more confident and cheerful.
- moreton bay ash — an Australian eucalyptus tree, E. tessellaris, having drooping branches and grey bark
- moreton bay bug — a flattish edible shellfish, Thenus orientalis, of Northern Australian waters
- moreton bay fig — a large Australian fig tree, Ficus macrophylla, having glossy leaves and smooth bark
- most honourable — a courtesy title applied to marquesses and members of the Privy Council and the Order of the Bath
- mount blackburn — a mountain in SE Alaska, the highest peak in the Wrangell Mountains. Height: 5037 m (16 523 ft)
- mount suribachi — a volcanic hill in the Volcano Islands, on Iwo Jima: site of a US victory (1945) over the Japanese in World War II
- mountain beaver — a burrowing rodent, Aplodontia rufa, of W North America: family Aplodontidae