12-letter words containing a, e, r, o, b
- rabble-rouse — to stir up the emotions or prejudices of the public; agitate.
- radar beacon — a radar device at a fixed location that, on receiving a radar signal, automatically transmits a particular radar signal in reply, identifying itself and enabling navigators of ships and aircraft to determine their distance and direction from it.
- radio beacon — a radio station that sends a characteristic signal so as to enable ships or airplanes to determine their position or bearing by means of a radio compass.
- ragged robin — a plant, Lychnis flos-cuculi, of the pink family, having pink or white flowers with dissected petals.
- reabsorption — resorption (def 2).
- reading book — a book for people who are learning to read, to help them become accustomed to looking at and understanding written words
- recognizable — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- reconcilable — capable of being reconciled.
- record label — recorded music production company
- renegotiable — to negotiate again, as a loan, treaty, etc.
- renounceable — of a nature that can be renounced
- reproachable — to find fault with (a person, group, etc.); blame; censure.
- reverberator — to reecho or resound: Her singing reverberated through the house.
- review board — panel appointed to reconsider a matter
- rhabdosphere — a minute sphere made up of rhabdoliths
- rhombohedral — a solid bounded by six rhombic planes.
- ribbon cable — (hardware) A type of flat multicore cable with cores positioned side-by-side, making it quick and relatively easy to clamp an Insulation Displacement Connector (IDC) across all cores. Ribbon cables typically have grey insulation with cores on a 0.050" pitch and a red stripe marking Pin 1. They are less resilient than screened, multicore cable and are usually used inside equipment where little movement or plugging and unplugging are expected. A common use is connecting a disk drive to the motherboard in a PC.
- ribbon snake — either of two long-tailed garter snakes, Thamnophis proximus or T. sauritus, of eastern and central North America, having a brownish body and yellow or orange stripes.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- ride a hobby — to be excessively devoted to one's favorite pastime or subject
- robber baron — History/Historical. a noble who robbed travelers passing through his lands.
- rollaway bed — a bed on castors
- rollerblader — someone who skates using Rollerblades
- rotary table — A rotary table is a revolving part which turns the drill string.
- safe harbour — a place that offers protection from the weather, attack, etc
- san bernardo — a city in central Chile, S of Santiago.
- sandbox tree — a tropical American tree, Hura crepitans, of the spurge family, bearing a furrowed, roundish fruit about the size of an orange that when ripe and dry bursts with a sharp report and scatters the seeds.
- scraperboard — scratchboard.
- scrieveboard — the drawing board of a shipbuilder
- scrive board — a floorlike construction on which the lines of a vessel can be drawn or scribed at full size.
- scrobiculate — furrowed or pitted.
- secobarbital — a white, odorless, slightly bitter powder, C 1 2 H 1 8 N 2 O 3 , used as a sedative and hypnotic.
- semiarboreal — (of animals) spending half or some of their life in trees
- semiglobular — possessing the form of half a globe; hemispheric.
- serial bonds — Serial bonds are bonds that are issued at the same time but have staggered maturity dates.
- shopbreaking — the act of breaking into a shop
- shoulder bag — a handbag with shoulder strap attached.
- shoulder-bag — A shoulder-bag is a bag that has a long strap so that it can be carried on a person's shoulder.
- shuffleboard — a game in which standing players shove or push wooden or plastic disks with a long cue toward numbered scoring sections marked on a floor or deck.
- skateboarder — person who rides skateboard
- slave labour — Slave labour refers to slaves or to work done by slaves.
- sleeve board — a small-scale ironing board for pressing sleeves, especially a narrow board that fits inside a coat sleeve.
- snobographer — a person who writes about snobs
- sober-headed — characterized by clear, logical thinking; not fanciful or capricious.
- software bus — A support environment for heterogeneous distributed processing, such as the ANSA Testbench.
- soldier crab — a small blue Australian estuarine crab of the Mictyris genus usually found in large numbers
- solitary bee — any of numerous bees, as the leaf-cutting bees, that do not live in a community.
- sorbefacient — inducing absorption
- steam boiler — a receptacle in which water is boiled to generate steam.
- steam-boiler — a receptacle in which water is boiled to generate steam.