12-letter words containing a, o, r, i, s
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- rapeseed oil — a brownish-yellow oil obtained by expression from rapeseed and used chiefly as a lubricant, an illuminant, and in the manufacture of rubber substitutes.
- re-admission — the act of allowing to enter; entrance granted by permission, by provision or existence of pecuniary means, or by the removal of obstacles: the admission of aliens into a country.
- reabsorption — resorption (def 2).
- reality show — A reality show is a type of television program that aims to show how ordinary people behave in everyday life, or in situations, often created by the program makers, which are intended to represent everyday life.
- reassumption — the act or process of reassuming something
- recessionary — of, relating to, or causing recession, especially economic recession: recessionary market pressures.
- reciprocates — to give, feel, etc., in return.
- rectirostral — (of a bird) having a straight bill.
- red goatfish — a goatfish, Mullus auratus.
- reestimation — judgment or opinion: In my estimation the boy is guilty.
- registration — the act of registering.
- relationless — having no family relations
- relationship — a connection, association, or involvement.
- repairperson — a person whose occupation is the making of repairs, readjustments, etc.
- respondentia — a loan upon a ship's cargo, which is repaid with interest if the ship reaches its destination, and if the ship does not, the loan is not repaid
- responsorial — of or relating to response; responsive
- restauration — restoration
- resupination — a resupinate condition.
- resuscitator — a person or thing that resuscitates.
- reversionary — of, relating to, or involving a reversion.
- revisitation — the act of visiting.
- rhizocarpous — having the root perennial but the stem annual, as perennial herbs.
- rhizophagous — feeding on roots.
- rhode island — US state
- 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.
- rio gallegos — a seaport in S Argentina, in S Patagonia.
- roasting ear — an ear of sweet corn suitable for roasting while still in the husk.
- rock jasmine — any of several alpine plants belonging to the genus Androsace, of the primrose family, having tufted leaves often in basal rosettes, and umbels of pink, red, purple, or white flowers.
- roman strike — a striking mechanism of c1700, giving the equivalent in tones of Roman numerals, a bell of one pitch striking once for each number I, a bell of another pitch striking once for V, twice for X.
- rooseveltian — of, pertaining to, advocating, or following the principles, views, or policies of Franklin Delano Roosevelt or of Theodore Roosevelt.
- rooster tail — the wake thrown up behind a speeding boat or the dust thrown up behind a speeding vehicle.
- rose campion — a plant, Lychnis coronaria, of the pink family, having reddish purple flowers, and leaves covered with whitish down.
- rose diamond — a diamond, one side of which is flat, and the other cut into twenty-four triangular facets in two ranges which form a convex face pointed at the top
- rose pogonia — a North American terrestrial orchid, Pogonia ophioglossoides, having a fragrant, usually solitary rose-pink or white flower.
- royal tennis — court tennis.
- russian doll — wooden figures that nest inside one other
- russian zone — a zone in Germany controlled by the Soviet Union 1945–89.
- saccharoidal — having a crystalline or granular texture: said esp. of some sandstones and marbles
- sacrilegious — pertaining to or involving sacrilege: sacrilegious practices.
- sacroiliitis — the inflammation of the sacroiliac joint
- sacrosciatic — of the sacrum and the ischium
- saffron rice — a dish made from white rice and flavoured with the spice saffron
- sail through — If someone or something sails through a difficult situation or experience, they deal with it easily and successfully.
- sailboarding — windsurfing.
- saint jerome — Saint (Eusebius Hieronymus) a.d. c340–420, Christian ascetic and Biblical scholar: chief preparer of the Vulgate version of the Bible.
- saint moritz — a resort town in SE Switzerland: a popular center for winter sports. 6037 feet (1840 meters) high.
- saint-tropez — a town in SE France, on the French Riviera: beach resort.
- salamandroid — an amphibian of the genus Salamandra