12-letter words containing ra
- aramid fiber — a fiber having resistance to high temperatures and great strength, formed from an aramid and used in materials for bulletproof vests and radial tires.
- aran islands — a group of three islands in the Atlantic, off the W coast of the Republic of Ireland: Aranmore or Inishmore (the largest), Inishmaan, and Inisheer. Pop: 1280 (2002). Area: 46 sq km (18 sq miles)
- araneomorphs — Plural form of araneomorph.
- arapaho peak — a mountain in N Colorado, in the Front Range of the Rocky Mountains W of Boulder. 13,506 feet (4119 meters).
- arbitrageurs — Plural form of arbitrageur.
- arbitrations — Plural form of arbitration.
- aripiprazole — An antipsychotic drug used in the treatment of schizophrenia etc.
- aristocratic — Aristocratic means belonging to or typical of the aristocracy.
- aromatherapy — Aromatherapy is a type of treatment which involves massaging the body with special fragrant oils.
- arraignments — Plural form of arraignment.
- arrangements — preparatory measures taken or plans made; preparations
- array theory — (theory) A theory developed by Trenchard More Jr. and used as the basis for the NIAL language. Papers are available from the IBM Cambridge Scientific Center, Cambridge MA.
- arteriograms — Plural form of arteriogram.
- arthrography — the X-ray examination of a joint after injection of a contrast medium into the joint space
- asparaginase — an enzyme used in treating leukaemia
- aspect ratio — the ratio of width to height of the picture on a television or cinema screen
- aspirational — If you describe someone as aspirational, you mean that they have strong hopes of moving to a higher social status.
- asseverating — Present participle of asseverate.
- asseveration — the act of asseverating.
- asseverative — characterized by or relating to solemn declaration or affirmation
- astral plane — a plane of existence inhabited by astral bodies
- at this rate — If you say that at this rate something bad or extreme will happen, you mean that it will happen if things continue to develop as they have been doing.
- atrabilarian — Characterized by melancholy or glum; atrabilarious; atrabilious.
- attractingly — in a manner that attracts
- attractively — In an attractive manner; with the power of attracting or drawing to.
- attractivity — The quality or degree of attractive power or influence.
- au contraire — on the contrary
- auroral zone — the region surrounding the north or south geomagnetic pole in which the auroral phenomena take place.
- australasian — Australasian means belonging or relating to Australasia or to its people.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- autocratical — Autocratic.
- autographing — Present participle of autograph.
- average life — the average time that an unstable particle or nucleus survives before it decays.
- backtrackers — Plural form of backtracker.
- backtracking — to return over the same course or route.
- bad scran to — bad luck to
- bahama grass — Bermuda grass.
- balkan frame — an overhead frame, fastened to a bed, from which a splinted, fractured leg or arm is suspended and held in traction.
- ballad opera — an opera consisting of popular tunes to which appropriate words have been set, interspersed with spoken dialogue
- ballanwrasse — a slow-growing fish (Labrus bergylta) found in rocky waters
- banana prawn — a prawn of the genus Penaeus, fished commercially in tropical waters of N Australia
- bandaranaike — Chandrika
- baraesthesia — the ability to sense pressure
- barbiturates — any of a group of barbituric acid derivatives, used in medicine as sedatives and hypnotics.
- barium x-ray — gastrointestinal series: x-ray examination of the upper or lower gastrointestinal tract after barium sulfate is given rectally (barium enema) or orally as a contrast medium.
- barn raising — (in rural areas) a party, usually providing food, drink, etc., for the purpose of assisting a neighbor to put up a new barn.
- barrack life — the experiences, activities, etc that are characteristic of a soldier's time spent dwelling in a barracks
- barrack room — a room inside a military barracks, esp one in which soldiers sleep
- barracks bag — a large bag containing a soldier's personal belongings and equipment
- barranquilla — a port in N Colombia, on the Magdalena River. Pop: 1 918 000 (2005 est)