15-letter words containing b, r, o, i
- responsibleness — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- restabilization — the act or process of stabilizing or the state of being stabilized.
- 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.
- ribonucleotides — an ester, composed of a ribonucleoside and phosphoric acid, that is a constituent of ribonucleic acid.
- 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.
- robin redbreast — robin (defs 1, 2).
- robinson crusoe — Robinson, Robinson Crusoe.
- roger bannister — Sir Roger (Gilbert) born 1929, English track and field athlete: first to run a mile in less than four minutes.
- 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.
- rolling bearing — any bearing in which the antifriction action depends on the rolling action of balls or rollers
- romblon islands — a group of islands of the Philippines in the Sibuyan Sea and Tablas Strait, part of the Visayan Islands.
- 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
- rub elbows with — the bend or joint of the human arm between upper arm and forearm.
- rubber solution — a kind of rubber-based adhesive
- 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)
- running bowline — a type of slipknot formed by running the standing line through the loop formed in a regular bowline
- satin bowerbird — the largest Australian bowerbird, Ptilonorhynchus violaceus, the male of which has lustrous blue plumage
- saviour sibling — a child conceived through IVF and screened for compatibility with a terminally or seriously ill sibling in order to provide organ or cell donations as a form of treatment
- 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-absorption — preoccupation with oneself or one's own affairs.
- semiabstraction — a work of art whose subject matter is semi-abstract
- sepoy rebellion — the Indian Mutiny of 1857–58
- 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.
- sink a borehole — To sink a borehole means to drill a deep hole in the ground.
- slavonian grebe — a N Eurasian or N American grebe with reddish underside and a black and gold crest; Podiceps auritus
- 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.
- sons of liberty — any of several patriotic societies, originally secret, that opposed the Stamp Act and thereafter supported moves for American independence.
- southern blight — a disease of peanuts, tomatoes, and other plants, caused by a fungus, Sclerotium rolfsii, affecting the roots and resulting in rapid wilting.
- spermatoblastic — relating to a spermatoblast
- spiny cocklebur — a cocklebur, Xanthium spinosum, introduced into North America from Europe.
- spiral notebook — a notebook held together by a coil of wire passed through small holes punched at the back edge of the covers and individual pages
- stamford bridge — a village in N England, east of York: site of a battle (1066) in which King Harold of England defeated his brother Tostig and King Harald Hardrada of Norway, three weeks before the Battle of Hastings
- 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
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- streptobacillus — any of various bacilli that form in chains.
- strobe lighting — a high-intensity flashing beam of light produced by rapid electrical discharges in a tube or by a perforated disc rotating in front of an intense light source: used in discotheques, etc
- strombuliferous — having organs coiled as spirals
- 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.
- sub-distributor — a person or thing that distributes.
- subcommissioner — a member of a subcommission