12-letter words containing t, r, i, a, l, o
- replantation — to plant again.
- repopulation — the total number of persons inhabiting a country, city, or any district or area.
- 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
- retail group — a group of companies under single ownership, which sell goods to individual customers
- reticulation — a reticulated formation, arrangement, or appearance; network.
- retinotectal — of or relating to the retina and the tectum
- retrolingual — situated behind or near the base of the tongue.
- retrophiliac — someone who has a strong liking for things from the past
- revalidation — to make valid; substantiate; confirm: Time validated our suspicions.
- revelational — the act of revealing or disclosing; disclosure.
- rhetorically — used for, belonging to, or concerned with mere style or effect.
- ribbon plant — spider plant (def 1).
- romantically — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- 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.
- ruralization — to make rural.
- 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.
- 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.
- semitropical — subtropical.
- signal tower — a tower from which railway signals are controlled or displayed
- silk factory — plant where silk fabric is produced
- socratically — of or relating to Socrates or his philosophy, followers, etc., or to the Socratic method.
- 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.
- 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.
- stigmasterol — a crystalline, water-insoluble steroid, C 2 9 H 4 8 O, present in soybeans or calabar beans, used chiefly as a raw material in the manufacture of progesterone.
- storm signal — a visual signal, as a flag, giving advance notice of a heavy storm, used especially along coastal areas.