12-letter words containing l, a, u, n, d, r
- radiolucency — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- radionuclide — a radioactive nuclide.
- rally around — to bring into order again; gather and organize or inspire anew: The general rallied his scattered army.
- rideau canal — a waterway in SE Ontario, Canada, connecting the Ottawa Riverin Ottawa to Lake Ontario in Kingston. 125 miles (202 km) long.
- roundaboutly — in a roundabout manner
- ruling grade — the steepest grade on a given stretch of track, which determines the maximum tonnage that can be hauled in a train having a given horsepower at a stated minimum speed.
- russian doll — wooden figures that nest inside one other
- rutlandshire — a former county, now part of Leicestershire, in central England.
- salad burnet — a plant, Poterium sanguisorba, of the rose family, native to Eurasia, having rounded heads of small, greenish flowers in short spikes and edible leaves.
- sleep around — to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake.
- spiral-bound — having a spiral binding.
- sulfarsenide — any compound containing an arsenide and a sulfide.
- superordinal — relating to the superorder
- thunderflash — a pyrotechnic device which is noisy, but not dangerous, and which is used in military exercises
- translucidus — (of a cloud) sufficiently transparent as not to obscure the sun, moon, or higher clouds.
- truk islands — a group of islands in the W Pacific, in the E Caroline Islands: administratively part of the US Trust Territory of the Pacific Islands from 1947; became self-governing in 1979 as part of the Federated States of Micronesia; consists of 11 chief islands; a major Japanese naval base during World War II. Pop: 53 381 (2006). Area: 130 sq km (50 sq miles)
- ultradistant — extremely distant
- ultramundane — outside or beyond the earth or the orbits of the planets.
- ultrarefined — having been refined exceptionally well or thoroughly
- un-liberated — to set free, as from imprisonment or bondage.
- unaffordable — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- unapparelled — lacking clothing; unattired
- unbridgeable — a structure spanning and providing passage over a river, chasm, road, or the like.
- uncalibrated — to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
- uncalled for — not called for; not required; superfluous; unwanted.
- uncalled-for — not called for; not required; superfluous; unwanted.
- uncelebrated — not celebrated or marked by festivities; unremarked
- uncharnelled — removed from a charnel; exhumed
- uncirculated — to move in a circle or circuit; move or pass through a circuit back to the starting point: Blood circulates throughout the body.
- uncorrelated — to place in or bring into mutual or reciprocal relation; establish in orderly connection: to correlate expenses and income.
- uncreditable — of ignoble character
- undeliberate — carefully weighed or considered; studied; intentional: a deliberate lie.
- underblanket — a blanket placed under a bottom sheet
- underlapping — to extend partly under.
- underlayment — material laid between a subfloor and a finish floor of linoleum, asphalt tile, etc.
- undersealing — the process of applying a coating of underseal to a motor vehicle
- undertakable — able to be undertaken
- undervaluing — to value below the real worth; put too low a value on.
- underzealous — full of, characterized by, or due to zeal; ardently active, devoted, or diligent. Synonyms: enthusiastic, eager, fervid, fervent, intense, passionate, warm. Antonyms: apathetic; lackadaisical.
- undeterrable — to discourage or restrain from acting or proceeding: The large dog deterred trespassers.
- undulate ray — a species of ray (Raja undulata), found on the southern coasts of the British Isles
- unelaborated — not elaborated
- unenthralled — not enthralled or charmed; uncaptivated
- unformalized — not formalized
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unformulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
- unglamorized — not glamorized
- unmarshalled — a military officer of the highest rank, as in the French and some other armies. Compare field marshal.
- unnormalized — to make normal.
- unparalleled — not paralleled; unequaled or unmatched; peerless; unprecedented: unparalleled athletic ability.