12-letter words containing e, r, o, s, i
- reg-symbolic — An early system on the IBM 704.
- register ton — a unit of weight, equivalent to 2000 pounds (0.907 metric ton) avoirdupois (short ton) in the U.S. and 2240 pounds (1.016 metric tons) avoirdupois (long ton) in Great Britain.
- registration — the act of registering.
- reimpression — a second or repeated impression.
- reinspection — the act or process of reinspecting
- reisterstown — a city in N Maryland.
- rejectionist — an Arab leader or country that opposes accommodation or compromise in negotiations with Israel.
- relationless — having no family relations
- relationship — a connection, association, or involvement.
- religionless — a set of beliefs concerning the cause, nature, and purpose of the universe, especially when considered as the creation of a superhuman agency or agencies, usually involving devotional and ritual observances, and often containing a moral code governing the conduct of human affairs.
- repairperson — a person whose occupation is the making of repairs, readjustments, etc.
- repercussion — an effect or result, often indirect or remote, of some event or action: The repercussions of the quarrel were widespread.
- repositorium — a place for the storage of valuables, as in an ancient Roman temple or a church.
- repossession — to possess again; regain possession of, especially for nonpayment of money due.
- reprehension — the act of reprehending; reproof; censure.
- reprocessing — a systematic series of actions directed to some end: to devise a process for homogenizing milk.
- resiniferous — yielding resin.
- resolutioner — a person joining in or subscribing to a resolution.
- resoundingly — making an echoing sound: a resounding thud.
- respirometer — an instrument for measuring the extent of respiratory movement.
- respirometry — the branch of medical science dealing with the measurement and analysis of respiration.
- 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
- responsively — responding especially readily and sympathetically to appeals, efforts, influences, etc.: a responsive government.
- responsivity — the quality or state of being responsive.
- responsorial — of or relating to response; responsive
- restauration — restoration
- resubmission — Law. an agreement between parties involved in a dispute, to abide by the decision of an arbitrator or arbitrators.
- resupination — a resupinate condition.
- resurrection — the act of rising from the dead.
- resuscitator — a person or thing that resuscitates.
- resuspension — the act of suspending.
- retentionist — a person who advocates the retention of something, esp capital punishment
- retrocession — to cede back: to retrocede a territory.
- retropulsion — an abnormal tendency to walk backwards: a symptom of Parkinson's disease
- retropulsive — of or relating to retropulsion
- retroversion — a looking or turning back.
- reversionary — of, relating to, or involving a reversion.
- reversionist — a person who advocates reverting to the conditions, customs, ideals, etc., of an earlier era.
- revisitation — the act of visiting.
- rheomorphism — the liquefaction of rock, which results in its flowing and intruding into surrounding rocks
- 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.
- ride shotgun — a smoothbore gun for firing small shots to kill birds and small quadrupeds, though often used with buckshot to kill larger animals.
- rio gallegos — a seaport in S Argentina, in S Patagonia.
- risorgimento — the period of or the movement for the liberation and unification of Italy 1750–1870.
- river forest — a city in NE Illinois.
- river nelson — a river in central Canada, in N central Manitoba, flowing from Lake Winnipeg northeast to Hudson Bay. Length: about 650 km (400 miles)
- 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.