12-letter words containing r, o, t, a, u
- quartz clock — an extremely accurate electronic movement utilizing the natural frequency of vibrations of a quartz crystal to regulate the operation of the timepiece (quartz clock or quartz watch)
- quattrocento — the 15th century, used in reference to the Italian art and literature of that time.
- quintana roo — a sparsely populated state in SE Mexico, on the E Yucatán peninsula. 19,435 sq. mi. (50,335 sq. km). Capital: Chetumal.
- quo warranto — (formerly, in England) a writ calling upon a person to show by what authority he or she claims an office, franchise, or liberty.
- radiothorium — a disintegration product of thorium.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- ramentaceous — resembling or covered with ramenta.
- raoult's law — the principle that the fraction by which the vapor pressure of a solvent is lowered by the addition of a nonvolatile, nonelectrolytic solute is equal to the mole fraction of the solute in the solution.
- re-authorize — to give authority or official power to; empower: to authorize an employee to sign purchase orders.
- read-through — reading (def 1).
- rear-mounted — (of an engine, etc) fitted at the back of a vehicle
- reassumption — the act or process of reassuming something
- recuperation — to recover from sickness or exhaustion; regain health or strength.
- recuperatory — of or relating to recovery or recuperation
- reevaluation — an act or instance of evaluating or appraising.
- refoundation — an act of refounding
- regulation t — (in the U.S.) a federal law governing the amount of credit that may be advanced by brokers and dealers to customers for the purchase of securities on margin.
- regulation u — (in the U.S.) a federal law governing the amount of credit that may be advanced by a bank for the purchase of listed securities.
- rejuvenation — to make young again; restore to youthful vigor, appearance, etc.: That vacation has certainly rejuvenated him.
- remuneration — the act of remunerating.
- remuneratory — affording remuneration; profitable: remunerative work.
- renaturation — the process of returning proteins to their original state
- renunciation — an act or instance of relinquishing, abandoning, repudiating, or sacrificing something, as a right, title, person, or ambition: the king's renunciation of the throne.
- renunciatory — an act or instance of relinquishing, abandoning, repudiating, or sacrificing something, as a right, title, person, or ambition: the king's renunciation of the throne.
- reoccupation — a person's usual or principal work or business, especially as a means of earning a living; vocation: Her occupation was dentistry.
- repopulation — the total number of persons inhabiting a country, city, or any district or area.
- repromulgate — to make known by open declaration; publish; proclaim formally or put into operation (a law, decree of a court, etc.).
- reputational — the estimation in which a person or thing is held, especially by the community or the public generally; repute: a man of good reputation.
- reregulation — renewed regulation, the act or process of regulating again
- restauration — restoration
- resupination — a resupinate condition.
- resuscitator — a person or thing that resuscitates.
- retail group — a group of companies under single ownership, which sell goods to individual customers
- reticulation — a reticulated formation, arrangement, or appearance; network.
- retrolingual — situated behind or near the base of the tongue.
- rheumatology — the study and treatment of rheumatic diseases.
- rockumentary — a documentary about rock music.
- rogue trader — A rogue trader is an employee of a financial institution who carries out business without the knowledge or approval of his or her bosses.
- rotator cuff — a bandlike structure encircling and supporting the shoulder joint, formed by four muscles attached to and merging with the joint capsule.
- roundaboutly — in a roundabout manner
- router patch — a plywood panel patch with parallel sides and rounded ends.
- royal quarto — a book size, 10 by 121⁄2 inches
- run to earth — (often initial capital letter) the planet third in order from the sun, having an equatorial diameter of 7926 miles (12,755 km) and a polar diameter of 7900 miles (12,714 km), a mean distance from the sun of 92.9 million miles (149.6 million km), and a period of revolution of 365.26 days, and having one satellite.
- ruralization — to make rural.
- sacred lotus — Indian lotus.
- sail through — If someone or something sails through a difficult situation or experience, they deal with it easily and successfully.
- salmon trout — a European trout, Salmo trutta.
- salutatorian — (in some U.S. schools and colleges) the student ranking second highest in the graduating class, who delivers the salutatory at commencement.
- salutatorium — a porch or room in a monastery or church serving as a meeting or almsgiving place for monks or priests and the laity.
- salutiferous — salutary.