13-letter words containing a, u, t, o
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- rainbow trout — a trout, Salmo gairdnerii, native in the coastal waters and streams from Baja California to Alaska, used as a food and game fish.
- rann of kutch — an extensive salt waste in W central India, and S Pakistan: consists of the Great Rann in the north and the Little Rann in the southeast; seasonal alternation between marsh and desert; some saltworks. In 1968 an international tribunal awarded about 10 per cent of the border area to Pakistan. Area: 23 000 sq km (9000 sq miles)
- ration coupon — a coupon that can be exchanged for a certain quantity of rationed goods
- rattle around — If you say that someone rattles around in a room or other space, you mean that the space is too large for them.
- re-evaluation — an act or instance of evaluating or appraising.
- re-regulation — a law, rule, or other order prescribed by authority, especially to regulate conduct.
- reacquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- reattribution — the act of attributing; ascription.
- recalculation — recount, act of computing again
- recirculation — an act or instance of circulating, moving in a circle or circuit, or flowing.
- recomputation — an act, process, or method of computing; calculation.
- recultivation — the act or art of cultivating.
- redial button — a button on a telephone, allowing the user to dial a number again
- reduplication — the act of reduplicating; the state of being reduplicated.
- reformulation — to formulate again.
- regiomontanus — Friedrich Max [free-drik maks;; German free-drikh mahks] /ˈfri drɪk mæks;; German ˈfri drɪx mɑks/ (Show IPA), 1823–1900, English Sanskrit scholar and philologist born in Germany.
- regulator pin — either of two pins on the regulators of certain timepieces, one on each side of the hairspring, that can be moved to adjust the rate of the timepiece.
- regurgitation — the act of regurgitating.
- reinoculation — a further inoculation of the same organism as the first inoculation
- relubrication — to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something).
- republication — publication anew.
- repunctuation — the act or process of punctuating differently or again
- restimulation — the act or process of stimulating again; reactivation
- resublimation — Psychology. the diversion of the energy of a sexual or other biological impulse from its immediate goal to one of a more acceptable social, moral, or aesthetic nature or use.
- resuscitation — to revive, especially from apparent death or from unconsciousness.
- retail outlet — shop, store
- reunification — the process of unifying or uniting; union: the unification of the 13 original colonies.
- reutilization — to put to use; turn to profitable account: to utilize a stream to power a mill.
- revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- rhesus factor — Rh factor.
- right you are — If someone says 'right you are', they are agreeing to do something in a very willing and happy way.
- ritualization — the act of ritualizing.
- rotary plough — an implement with a series of blades mounted on a power-driven shaft, used to break up soil or weeds
- round kumquat — an evergreen, citrus shrub or small tree, Fortunella japonica, of Japan, having blunt, broad leaves and globe-shaped, edible fruit.
- rousseauistic — the doctrines or principles of Jean Jacques Rousseau or his adherents.
- route planner — a book of road maps
- routinization — to develop into a regular procedure.
- ruggedization — the act or process of making something rugged
- running total — a running total is a total which changes because numbers keep being added to it as something progresses
- russification — Russianize (defs 1, 2).
- saint columba — Padraic [paw-drik] /ˈpɔ drɪk/ (Show IPA), 1881–1972, Irish poet and dramatist, in the U.S. from 1914.
- sanctimonious — making a hypocritical show of religious devotion, piety, righteousness, etc.: They resented his sanctimonious comments on immorality in America.
- sansculottism — (in the French Revolution) a revolutionary of the poorer class: originally a term of contempt applied by the aristocrats but later adopted as a popular name by the revolutionaries.
- santos-dumont — Alberto [ahl-ber-too] /ɑlˈbɛr tʊ/ (Show IPA), 1873–1932, Brazilian aeronaut in France: designer and builder of dirigibles and airships.
- saurognathous — related to or resembling the Saurognathae family of birds that possess palate bones similar to those in saurians or lizards
- sea buckthorn — a thorny Eurasian shrub, Hippophaë rhamnoides, growing on sea coasts and having silvery leaves and orange fruits: family Elaeagnaceae
- second nature — an acquired habit or tendency in one's character that is so deeply ingrained as to appear automatic: Neatness is second nature to him.
- see you later — an expression of farewell
- semi-autonomy — the quality or state of being semiautonomous.