15-letter words containing a, b, o, r, i
- public lavatory — a public toilet
- pulmobranchiate — possessing a pulmobranch
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- radio broadcast — sth transmitted via radio signal
- radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
- random variable — a quantity that takes any of a set of values with specified probabilities.
- rational number — a number that can be expressed exactly by a ratio of two integers.
- rayside-balfour — a town in S Ontario, in S Canada.
- recognizability — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
- recombinational — belonging or relating to recombination
- reconcilability — capable of being reconciled.
- reconstitutable — to constitute again; reconstruct; recompose.
- record-breaking — top, most successful
- reggio calabria — a seaport in S Italy, on the Strait of Messina: almost totally destroyed by an earthquake 1908.
- relational dbms — relational database
- 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.
- 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).
- roger bannister — Sir Roger (Gilbert) born 1929, English track and field athlete: first to run a mile in less than four minutes.
- 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
- 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)
- 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
- scribaciousness — the quality or state of being scribacious
- self-absorption — preoccupation with oneself or one's own affairs.
- 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.
- 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.
- spermatoblastic — relating to a spermatoblast
- 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.
- 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.
- suborganization — an organization within a larger organization
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.