12-letter words containing t, r, o, i, l, s
- relationship — a connection, association, or involvement.
- resolutioner — a person joining in or subscribing to a resolution.
- retropulsion — an abnormal tendency to walk backwards: a symptom of Parkinson's disease
- retropulsive — of or relating to retropulsion
- 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.
- royal tennis — court tennis.
- sacroiliitis — the inflammation of the sacroiliac joint
- sail through — If someone or something sails through a difficult situation or experience, they deal with it easily and successfully.
- 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.
- satin-flower — a Californian plant, Clarkia amoena, of the evening primrose family, having cup-shaped pink or purplish flowers blotched with red.
- scarlatinoid — resembling scarlatina or its eruptions.
- scintillator — a phosphor capable of producing scintillations.
- scopes trial — John Thomas, 1901–70, U.S. high-school teacher whose teaching of the Darwinian theory of evolution became a cause célèbre (Scopes Trial or Monkey Trial) in 1925.
- scrobiculate — furrowed or pitted.
- scrupulosity — having scruples, or moral or ethical standards; having or showing a strict regard for what one considers right; principled: scrupulous about defending human rights.
- scrutinously — in a scrutinous manner
- sea milkwort — a maritime plant, Glaux maritima, having small, pinkish-white flowers.
- secobarbital — a white, odorless, slightly bitter powder, C 1 2 H 1 8 N 2 O 3 , used as a sedative and hypnotic.
- semilustrous — partially or somewhat lustrous
- semitropical — subtropical.
- short splice — a splice used when an increased thickness of the united rope is not objectionable, made by unlaying the rope ends a certain distance, uniting them so that their strands overlap, then tucking each alternately over and under others several times.
- signal tower — a tower from which railway signals are controlled or displayed
- silk factory — plant where silk fabric is produced
- silver frost — glaze (def 17).
- silver point — the melting point of silver, equal to 960.8°C, used as a fixed point on the international temperature scale.
- silver trout — a variety of cutthroat trout, Salmo clarki henshawi, having silvery coloration, inhabiting Lake Tahoe.
- skeletonizer — any of numerous insect species that reduce leaves to a skeleton
- slip through — be undetected
- slipper foot — an elongated pad foot.
- smotheringly — in a smothering manner
- socratically — of or relating to Socrates or his philosophy, followers, etc., or to the Socratic method.
- solid rocket — any of various rockets using solid fuel
- solidaristic — relating to solidarism
- solitariness — alone; without companions; unattended: a solitary passer-by.
- solitary bee — any of numerous bees, as the leaf-cutting bees, that do not live in a community.
- solway firth — an arm of the Irish Sea between SW Scotland and NW England. 38 miles (61 km) long.
- sorosilicate — any of the silicates in which each silicate tetrahedron shares one of its four oxygen atoms with a neighboring tetrahedron, the ratio of silicon to oxygen being two to seven.
- special sort — a character, such as an accented letter, that is not a usual member of any font
- spectatorial — a person who looks on or watches; onlooker; observer.
- spin control — Slang. an attempt to give a bias to news coverage, especially of a political candidate or event.
- spirochaetal — resulting from spirochaetes
- sportability — suitability to be used in or as a sport
- stabilizator — a stabilizer
- stabilograph — an instrument for measuring body sway.
- stalactiform — resembling or shaped like a stalactite.
- steam boiler — a receptacle in which water is boiled to generate steam.
- steam-boiler — a receptacle in which water is boiled to generate steam.