13-letter words containing y, t, r, i
- root of unity — a complex number that when raised to some positive integral power results in 1.
- 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.
- 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.
- rudimentarily — pertaining to rudiments or first principles; elementary: a rudimentary knowledge of geometry.
- run away with — to go quickly by moving the legs more rapidly than at a walk and in such a manner that for an instant in each step all or both feet are off the ground.
- running story — a story continued in subsequent issues of a newspaper or magazine; serial.
- saccharimetry — the process of measuring the amount of sugar in a sample, as with a saccharimeter or by polarimetry.
- saccharolytic — of or causing the hydrolysis of sugars.
- sacrosanctity — extremely sacred or inviolable: a sacrosanct chamber in the temple.
- safety margin — something required to ensure safety
- saint gregory — Saint (Hildebrand) c1020–85, Italian ecclesiastic: pope 1073–85.
- saint-exupery — Antoine de [ahn-twan duh] /ɑ̃ˈtwan də/ (Show IPA), 1900–45, French author and aviator.
- sanitary belt — a narrow belt, usually of elastic, for holding a sanitary napkin in place.
- sanitary ware — plumbing fixtures, as sinks or toilet bowls, made of ceramic material or enameled metal.
- sarcastically — of, relating to, or characterized by sarcasm: a sarcastic reply.
- saturnalianly — in a saturnalian or dissolute manner
- screaming tty — [Unix] A terminal line which spews an infinite number of random characters at the operating system. This can happen if the terminal is either disconnected or connected to a powered-off terminal but still enabled for login; misconfiguration, misimplementation, or simple bad luck can start such a terminal screaming. A screaming tty or two can seriously degrade the performance of a vanilla Unix system; the arriving "characters" are treated as userid/password pairs and tested as such. The Unix password encryption algorithm is designed to be computationally intensive in order to foil brute-force crack attacks, so although none of the logins succeeds; the overhead of rejecting them all can be substantial.
- secretaryship — a person, usually an official, who is in charge of the records, correspondence, minutes of meetings, and related affairs of an organization, company, association, etc.: the secretary of the Linguistic Society of America.
- security firm — a firm which provides guards for buildings, and other security services and personnel
- security leak — a leak of information that could endanger public safety
- security risk — a person considered by authorities as likely to commit acts that might threaten the security of a country.
- security zone — an area controlled by security forces
- self-security — freedom from danger, risk, etc.; safety.
- semisedentary — partially or somewhat sedentary
- seventy-first — next after the seventieth; being the ordinal number for 71.
- seventy-third — next after the seventy-second; being the ordinal number for 73.
- shunting yard — a place where railway coaches are manoeuvred
- significatory — serving to signify
- silk industry — the industry that is involved with the breeding of silkworms and the manufacture of the silk they produce into thread and fabric
- silky terrier — one of an Australian breed of toy dogs having a long, silky, blue coat with tan markings and erect ears, a topknot, and a docked tail.
- silver-y moth — a brownish noctuid moth, Plusia gamma, having a light Y-shaped marking on each forewing; it migrates in large flocks
- single-storey — (of a building) having only one floor or level
- sinterability — the capacity to be sintered
- society verse — light, graceful, entertaining poetry considered as appealing to polite society.
- solderability — the characteristic of being solderable
- solitary wasp — any of numerous wasps, as the sand wasps or mud wasps, that do not live in a community.
- 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.
- spherocytosis — the condition of having spherocytes
- spheroidicity — a spheroidal state or form.
- spiny lobster — any of several edible crustaceans of the family Palinuridae, differing from the true lobsters in having a spiny shell and lacking the large pincers.
- splutteringly — in a spluttering manner
- 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.
- sporting lady — a prostitute.
- sports injury — wound sustained while playing sport
- spreadability — capable of being spread; easily spread: a soft, spreadable cheese.
- spring beauty — any American spring plant belonging to the genus Claytonia, of the purslane family, especially C. virginica, having an elongated cluster of white flowers tinged with pink.
- sprint medley — a medley relay in which the first member of a team runs 440 yards, the second and third members run 220 yards each, and the fourth member runs 880 yards.
- standing army — a permanently organized military force maintained by a nation.
- stargazey pie — a Cornish fish pie served with the head of the fish protruding through the crust