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13-letter words containing t, r, o, c

  • bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae
  • barbary coast — coastal region of N Africa, extending from Egypt to the Atlantic, inhabited chiefly by Berbers and once (until early 19th cent.) dominated by pirates
  • barcoo salute — a movement of the hand to brush flies away from the face
  • baritone clef — an F clef locating F below middle C on the third line of the staff.
  • baroclinicity — a common state of fluid stratification in which surfaces of constant pressure and others of constant density are not parallel but intersect.
  • baroreceptors — Plural form of baroreceptor.
  • barytocalcite — a mineral, double carbonate of calcium and barium, CaCO 3 ⋅BaCO 3 , usually found in veins of lead minerals.
  • basement-rock — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
  • basic fortran — (language)   A subset of Fortran.
  • batch-process — to perform batch processing on (files)
  • batrachotoxin — a steroidal alkaloid, C31H42N2O6, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
  • behavioristic — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
  • beta carotene — a yellowish form of carotene: a dietary deficiency of this is associated with a greater risk of certain cancers
  • beta receptor — a receptor, found on the surface of some cells of the sympathetic nervous system, that is stimulated by certain adrenergic substances: such stimulation results in certain physiological responses, such as acceleration of the action of the heart and dilatation of the arteries supplying heart and skeletal muscles
  • beta-carotene — the most abundant of various isomers of carotene, C 40 H 56 , that can be converted by the body to vitamin A.
  • beta-receptor — a site on a cell, as of the heart, that, upon interaction with epinephrine or norepinephrine, controls heartbeat and heart contractability, vasodilation, smooth muscle inhibition, and other physiological processes.
  • bibliothecary — a librarian
  • bidirectional — (of a printhead) capable of printing from left to right and from right to left
  • bioelectrical — relating to electrical current generated by biological activity
  • bioenergetics — the study of energy transformations in living organisms and systems
  • biotic factor — a living thing, as an animal or plant, that influences or affects an ecosystem: How do humans affect other biotic factors? Weather is not a biotic factor because it is not alive.
  • birth control — Birth control means planning whether to have children, and using contraception to prevent having them when they are not wanted.
  • black country — a district in the English Midlands, around Birmingham: so called from the soot and grime produced by the many local industries.
  • block letters — Block letters are the same as block capitals.
  • blood product — a pharmaceutical product made from blood, such as Factor VIII
  • body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
  • body-centered — (of a crystal structure) having lattice points at the centers of the unit cells.
  • bomber jacket — A bomber jacket is a short jacket which is gathered into a band at the waist or hips.
  • booster cable — either of a pair of electric cables having clamps at each end and used for starting the engine of a vehicle whose battery is dead.
  • bootlace worm — a nemertean worm, Lineus longissimus, that inhabits shingly shores and attains lengths of over 6 m (20 ft)
  • boston rocker — a type of 19th-cent. American rocking chair, having a curved wooden seat and a high back formed of spindles held in place by a broad headpiece
  • botryomycosis — a disease, usually of horses, caused by a bacterial infection (usually, Staphylococcus aureus) producing tumorous growths esp. after castration or a wound or injury
  • bow collector — a sliding current collector, consisting of a bow-shaped strip mounted on a hinged framework, used on trains, etc, to collect current from an overhead-wire
  • box stretcher — a heavy rectangular stretcher connecting successive legs of a table, chair, etc.
  • brachypterous — having very short or incompletely developed wings
  • bracket clock — a small clock designed to be placed on a bracket or shelf.
  • breast pocket — The breast pocket of a man's coat or jacket is a pocket, usually on the inside, next to his chest.
  • broad hatchet — a hatchet with a broad cutting edge.
  • bromocriptine — a dopamine agonist drug which blocks the release of prolactin from the pituitary gland, used in the treatment of Parkinson's disease
  • bronchiolitis — a condition in which the small airways in the lungs become inflamed by a virus. It is most common in infants, who become breathless in severe cases. Recurrent attacks may lead to asthma
  • bronco buster — a person who breaks broncos to the saddle.
  • buoyant force — the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body.
  • buster collar — a round collar, similar to a lampshade in shape, that is fitted round the neck of an animal or bird, for example to prevent it removing or interfering with a dressing or other treatment
  • butcher block — designating or of a thick slab made by gluing together strips of hardwood, as maple or oak, used for counter and table tops, etc.
  • butcher's boy — a boy doing deliveries for a butcher and perhaps also learning the butchery trade, esp in the past
  • butter cookie — Cookery. a plain cookie whose chief ingredients are butter, flour, and sugar.
  • butter cooler — an earthenware container, consisting of a dish and cover, used to keep butter cool
  • by contraries — contrary to what is expected
  • byte compiler — byte-code compiler
  • c corporation — A C corporation is a type of corporation which is taxed on its income.
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