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15-letter words containing r, o, b, c

  • retained object — an object in a passive construction identical with the direct or indirect object in the active construction from which it is derived, as the picture in I was shown the picture, which is also the direct object in the active construction (They) showed me the picture.
  • rhombencephalon — the hindbrain.
  • ribonucleotides — an ester, composed of a ribonucleoside and phosphoric acid, that is a constituent of ribonucleic acid.
  • rightabout-face — a turning directly about so as to face in the opposite direction
  • robe-de-chambre — a dressing gown.
  • robert guiscard — Robert [French raw-ber] /French rɔˈbɛr/ (Show IPA), (Robert de Hauteville) c1015–85, Norman conqueror in Italy.
  • robertson screw — a screw having a square hole in the head into which a screwdriver with a square point (Robertson screwdriver (trademark)) fits
  • robinson crusoe — Robinson, Robinson Crusoe.
  • rockwell number — a numerical expression of the hardness of a metal as determined by a test (Rockwell test) made by indenting a test piece with a Brale, or with a steel ball of specific diameter, under two successive loads and measuring the resulting permanent indentation.
  • roller cone bit — A roller cone bit is a tool used for crushing rock, which has three cones that rotate, with attached hardened metal teeth which break the rock into small pieces.
  • root and branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
  • root-and-branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
  • rubbing alcohol — a poisonous solution of about 70 percent isopropyl or denatured ethyl alcohol, usually containing a perfume oil, used chiefly in massaging.
  • 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)
  • schoolboy crush — an infatuation that a young boy has, usually for an older woman such as a teacher or an actress, which is seen as superficial and unlikely to last for long
  • scolding bridle — branks.
  • scribaciousness — the quality or state of being scribacious
  • second republic — the republic established in France in 1848 and replaced by the Second Empire in 1852.
  • self-abhorrence — a feeling of extreme repugnance or aversion; utter loathing; abomination.
  • semiabstraction — a work of art whose subject matter is semi-abstract
  • sesquicarbonate — a salt intermediate in composition between a carbonate and a bicarbonate or consisting of the two combined.
  • shock probation — the release on probation of a criminal after brief imprisonment
  • silicon carbide — a very hard, insoluble, crystalline compound, SiC, used as an abrasive and as an electrical resistor in objects exposed to high temperatures.
  • silicone rubber — any of the synthetic rubbers made from silicone elastomers.
  • social bookmark — the practice of saving bookmarked Web pages to a public website as a way to share the links with other Internet users: Social bookmarking is a tool that allows you to add tags and comments to your bookmarks.
  • soft-shell crab — a crab, especially the blue crab, that has recently molted and therefore has a soft, edible shell.
  • spermatoblastic — relating to a spermatoblast
  • spiny cocklebur — a cocklebur, Xanthium spinosum, introduced into North America from Europe.
  • starting blocks — the rigid blocks adjustable at an angle and mounted on a track against which a runner's shoes are placed to aid in starting
  • streptobacillus — any of various bacilli that form in chains.
  • sub-corporation — an association of individuals, created by law or under authority of law, having a continuous existence independent of the existences of its members, and powers and liabilities distinct from those of its members. See also municipal corporation, public corporation.
  • subcommissioner — a member of a subcommission
  • subcontraoctave — the octave below the contraoctave, which is three octaves below the middle C octave on a standard keyboard
  • subject pronoun — pronoun in nominative case
  • subsidiary coin — a coin, especially one made of silver, having a value less than that of the monetary unit.
  • subtrochanteric — Anatomy. either of two knobs at the top of the femur, the greater on the outside and the lesser on the inside, serving for the attachment of muscles between the thigh and pelvis.
  • sugarcane borer — the larva of the pyralid moth, Diatraea saccharalis, a serious pest of sugarcane, corn, rice, and sorghums.
  • tablet computer — a number of sheets of writing paper, business forms, etc., fastened together at the edge; pad.
  • thermionic tube — a vacuum tube in which the cathode is heated electrically to cause the emission of electrons by thermal agitation.
  • thiocarbanilide — a gray powder, C 13 H 12 N 2 S, used as an intermediate in dyes and as an accelerator in vulcanization.
  • to do sb credit — If you say that something does someone credit, you mean that they should be praised or admired because of it.
  • tobacco budworm — the larva of a noctuid moth, Heliothis virescens, that damages the buds and young leaves of tobacco.
  • tobacco planter — a tool that was formerly used by tobacco farmers to plant tobacco with
  • torsion balance — an instrument for measuring small forces, as electric attraction or repulsion, by determining the amount of torsion or twisting they cause in a slender wire or filament.
  • tortoise brooch — a domed, oval brooch worn in pairs by Viking women.
  • torture chamber — a room where somebody is caused extreme physical pain, esp in order to extract information, break resistance, etc
  • travel brochure — a brochure, often from a travel agency, which advertises holidays, hotels, etc
  • traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
  • tuberculization — the process of becoming, or of causing people or animals to become, infected with tuberculosis
  • turkish tobacco — a strongly aromatic tobacco, grown chiefly in Turkey and Greece, used in cigarettes.
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