15-letter words containing r, u, t, l
- autotrophically — through an autotrophic process
- auxiliary rotor — the tail rotor of a helicopter, used for directional and rotary control
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- bathurst island — an island off the coast of N Nunavut, Canada, in the Arctic Archipelago: present south of the North Magnetic Pole nearby. 7609 sq. mi. (19,707 sq. km).
- bearded vulture — lammergeier
- beetroot purple — a deep purple-red; a purple pigment derived from beets.
- benzyl butyrate — a liquid, C 11 H 14 O 2 , having a fruitlike odor, used as a plasticizer and in flavoring.
- bernoulli trial — one of a sequence of independent experiments each of which has the same probability of success, such as successive throws of a die, the outcome of which is described by a binomial distribution
- bicycle touring — the activity of touring on a bicycle
- biodestructible — biodegradable
- bloody butchers — a hardy plant, Trillium sessile, common from New York to Georgia and westward, having stalkless, purple or green flowers.
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- bluegrass state — Kentucky (used as a nickname).
- break the mould — If you say that someone breaks the mould, you mean that they do completely different things from what has been done before or from what is usually done.
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- bronchial tubes — the bronchi or their smaller divisions
- brussels carpet — a worsted carpet with a heavy pile formed by uncut loops of wool on a linen warp
- brussels sprout — Brussels sprouts are vegetables that look like tiny cabbages.
- bucket elevator — a chain of buckets for raising liquids or materials to a higher level
- buffalo currant — an ornamental shrub, Ribes odoratum, of the central U.S., having showy, drooping clusters of fragrant yellow flowers and edible black fruit.
- buffer solution — a solution to which a salt of a weak acid or base has been added
- building permit — a permit for construction work
- building trades — the trades and professions concerned with the creation and finishing of buildings, such as carpenters, plasterers, masons, electricians, etc.
- bullock's heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- bullock's-heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- burt l standish — Burt L. pseudonym of Gilbert Patten.
- buryat republic — a constituent republic of SE central Russia, on Lake Baikal: mountainous, with forests covering over half the total area. Capital: Ulan-Ude. Pop: 981 000 (2002). Area: 351 300 sq km (135 608 sq miles)
- butler's pantry — a pantry in a large house where crockery, glassware, cutlery, etc is kept
- butterfly chair — a lightweight chair consisting of a piece of canvas, leather, etc. slung from a framework of metal bars
- butterfly table — a small occasional table, usually having a round or oval top, with drop leaves supported by swinging brackets pivoted to the stretchers and to the underside of the top.
- butterfly valve — a disc that acts as a valve by turning about a diameter, esp one used as the throttle valve in a carburettor
- butterfly wedge — a wooden fastening in the form of a double dovetail for joining two boards at their edges.
- calcareous tufa — tufa
- calcium citrate — the calcium salt of citric acid, used as a food additive
- calcium nitrate — a white, deliquescent solid, Ca(NO 3) 2 , used chiefly in the manufacture of fertilizers, fireworks, matches, and explosives.
- calculated risk — a chance of failure, the probability of which is estimated before some action is undertaken.
- call-out charge — a set amount charged for a repairman to come to one's house, or to a broken-down vehicle, which is added to the cost of the actual repair
- camelback truss — a roof truss having upper and lower chords curving upward from a common point at each side.
- canteen culture — the alleged clannishness of the police force, whereby the prevalent attitudes inhibit officers from reporting or speaking out against malpractice, racism, etc
- canterbury bell — a campanulaceous biennial European plant, Campanula medium, widely cultivated for its blue, violet, or white flowers
- canterbury lamb — New Zealand lamb exported chilled or frozen to the United Kingdom
- capital surplus — any surplus of a business firm not derived from direct earnings or profits
- cardinal virtue — anything considered to be an important or characteristic virtue: Tenacity is his cardinal virtue.
- carl xvi gustaf — born 1946, king of Sweden from 1973
- catholic church — any of several Churches claiming to have maintained continuity with the ancient and undivided Church
- cauliflowerette — a single floret from the head of a cauliflower.
- cell disruption — Cell disruption is when a biological material becomes smaller to release proteins and enzymes.
- central sudanic — a group of languages belonging to the Nilo-Saharan family, spoken in the northeastern Democratic Republic of the Congo, northern Uganda, southern Sudan, Chad, and the Central African Republic, and including Mangbetu.
- centrifugal box — a revolving chamber, used in the spinning of manufactured filaments, in which the plastic fibers, subjected to centrifugal force, are slightly twisted and emerge in the form of yarn wound into the shape of a hollow cylinder.