15-letter words containing a, b, t, u, r
- liberal studies — a supplementary arts course for those specializing in scientific, technical, or professional studies
- lithium battery — A lithium battery is a type of battery used for low-power, high-reliability, long-life applications, such as clocks, cameras and calculators.
- lubricating oil — an oily substance that is used to cover or treat machinery so as to lessen friction
- lumbar puncture — Medicine/Medical. puncture into the arachnoid membrane of the spinal cord, in the lumbar region, and withdrawal of spinal fluid, performed for diagnosis of the fluid, injection of dye for imaging, or administration of anesthesia or medication.
- maldistribution — bad or unsatisfactory distribution, as of wealth, among a population or members of a group.
- maneuverability — a planned and regulated movement or evolution of troops, warships, etc.
- manoeuvrability — The quality of being manoeuvrable.
- maxilloturbinal — (anatomy) Pertaining to the maxillary and turbinal regions of the skull.
- moreton bay bug — a flattish edible shellfish, Thenus orientalis, of Northern Australian waters
- 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
- negative number — a number that is less than 0
- nonattributable — not capable of being attributed to a particular source or cause
- nonbureaucratic — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
- notour bankrupt — a bankrupt who has failed to discharge his or her debts within the days of grace allowed by the court
- obituary column — the division of a publication reserved for obituaries
- obstacle course — a military training area having obstacles, as hurdles, ditches, and walls, that must be surmounted or crossed in succession.
- obtuse triangle — a triangle with one obtuse angle.
- octanitrocubane — (organic compound) A high explosive derived from cubane.
- outer barrister — a barrister belonging to the outer bar.
- parachute brake — a parachute opened horizontally from the tail of an airplane upon landing, used as an aid in braking. Also called parabrake. Compare drogue parachute (def 2).
- parti québécois — (in Canada) a political party in Quebec, formed in 1968 and originally advocating the separation of Quebec from the rest of the country
- paurometabolous — designating or of a group of insect orders, as orthopterans or hemipterans, in which metamorphosis to the adult state from the juvenile state is gradual and without any sudden, radical change of body form
- picture library — A picture library is a collection of photographs that is held by a particular company or organization. Newspapers or publishers can pay to use the photographs in their publications.
- probit equation — A probit equation is used to quantify the relationship between the concentration of a dangerous material and its effect on people.
- procrustean bed — a plan or scheme to produce uniformity or conformity by arbitrary or violent methods.
- public lavatory — a public toilet
- pulmobranchiate — possessing a pulmobranch
- put years on sb — If you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older.
- quarter binding — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
- quarter blanket — a horse blanket, usually placed under a saddle or harness and extending to the horse's tail.
- ram-air turbine — a small air-driven turbine fitted to an aircraft to provide power in the event of a failure of the normal systems
- ratafia biscuit — a macaroon.
- rational number — a number that can be expressed exactly by a ratio of two integers.
- reconstitutable — to constitute again; reconstruct; recompose.
- retail business — a firm which sells goods to individual customers
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- rightabout-face — a turning directly about so as to face in the opposite direction
- robert guiscard — Robert [French raw-ber] /French rɔˈbɛr/ (Show IPA), (Robert de Hauteville) c1015–85, Norman conqueror in Italy.
- rotary debugger — (Commodore) Essential equipment for those late-night or early-morning debugging sessions. Mainly used as sustenance for the hacker. Comes in many decorator colours, such as Sausage, Pepperoni, and Garbage.
- rough breathing — the symbol (ʿ) used in the writing of Greek to indicate aspiration of the initial vowel or of the ρ (rho) over which it is placed.
- roundaboutation — circumlocution
- roundaboutility — roundaboutness
- rubaiyat stanza — a quatrain patterned after those in The Rubáiyát of Omar Khayyám, of iambic pentameter and rhyming aaba.
- ruby grapefruit — a grapefruit with red flesh
- runabout ticket — a rail ticket that allows unlimited travel within a specified area for a limited period of time (for example one day, a weekend, three days, etc)
- rusty blackbird — a North American blackbird, Euphagus carolinus, the male of which has plumage that is uniformly bluish-black in the spring and rusty-edged in the fall.
- salisbury steak — ground beef, sometimes mixed with other foods, shaped like a hamburger patty and broiled or fried, often garnished or served with a sauce.