13-letter words containing i, t, e, r, a, o
- rotary engine — an engine, as a turbine, in which the impelling fluid produces torque directly rather than by acting upon reciprocating parts.
- rotary tiller — rototiller.
- rotation-axes — a process of replacing the axes in a Cartesian coordinate system with a new set of axes making a specified angle with and having the same origin as the original axes.
- rote learning — memorization by repetition
- rousseauistic — the doctrines or principles of Jean Jacques Rousseau or his adherents.
- royal society — The Royal Society of London for the Advancement of Science, a society through which the British government has supported scientific investigation since 1662: awards four annual medals.
- ruggedization — the act or process of making something rugged
- sacerdotalism — the system, spirit, or methods of the priesthood.
- sacerdotalize — to submit (something) to sacerdotalism
- saint gregory — Saint (Hildebrand) c1020–85, Italian ecclesiastic: pope 1073–85.
- saint leonard — a city in S Quebec, in E Canada: suburb of Montreal.
- scarfed joint — a lapped joint between two pieces of timber made by notching or grooving the ends and strapping, bolting, or gluing the two pieces together
- scenarization — the process of making or creating a scenario, esp to aid distance learning education
- scratch video — the technique or practice of recycling images from films or television to make collages
- sectorization — the act or state of sectorizing
- segregational — the act or practice of segregating; a setting apart or separation of people or things from others or from the main body or group: gender segregation in some fundamentalist religions.
- self-creation — the act of producing or causing to exist; the act of creating; engendering.
- self-ignorant — lacking in knowledge or training; unlearned: an ignorant man.
- self-portrait — a portrait of oneself done by oneself.
- semi-tropical — Semi-tropical places have warm, wet air.
- senior master — a male teacher in a senior position
- septentrional — northern; boreal
- sequestration — removal or separation; banishment or exile.
- serialization — to publish in serial form.
- sex chromatin — Barr body.
- short-waisted — of less than average length between the shoulders and waistline; having a high waistline.
- silver iodate — a white, crystalline, slightly water-soluble powder, AgIO 3 , used in medicine chiefly as an antiseptic and as an astringent.
- sirloin steak — cut of beef
- skateboarding — a device for riding upon, usually while standing, consisting of a short, oblong piece of wood, plastic, or aluminum mounted on large roller-skate wheels, used on smooth surfaces and requiring better balance of the rider than the ordinary roller skate does.
- skin reaction — an irritation or inflammation of the skin due to an allergy or infection, brought about by natural means or by a skin test.
- social credit — the doctrine that under capitalism there is an inadequate distribution of purchasing power, for which the remedy lies in governmental control of retail prices and the distribution of national dividends to consumers.
- social market — an economic system in which industry and commerce are run by private enterprise within limits set by the government to ensure equality of opportunity and social and environmental responsibility
- sodium borate — borax1 .
- solar heating — to heat (a building) by means of solar energy.
- solderability — the characteristic of being solderable
- solitary wave — a localized disturbance that propagates like a wave but resembles a particle in that it does not disperse, even if it collides with other such waves.
- south america — a continent in the S part of the Western Hemisphere. About 6,900,000 sq. mi. (17,871,000 sq. km).
- south georgia — a British island in the S Atlantic, about 800 miles (1290 km) SE of the Falkland Islands. About 1000 sq. mi. (2590 sq. km).
- soviet russia — a conventional name of the Soviet Union.
- space tourism — travel into space for recreational purposes
- spectatorship — the state of being a spectator
- spermatogenic — relating to the development of spermatozoa
- spermatotoxic — spermotoxic.
- spermatotoxin — spermotoxin.
- spoiler party — a third political party formed to draw votes away from one of the two major parties, thus spoiling its chance of winning an election.
- sportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- spread option — spread (def 25b).
- staff officer — a commissioned officer who is a member of a staff.
- staffordshire — a county in central England. 1154 sq. mi. (2715 sq. km). County seat: Stafford.
- stain remover — a substance designed for removing stains or dirty marks, as from clothes, carpets, etc