13-letter words containing t, y, s, i
- ripstop nylon — a nylon fabric woven with a double thread approximately every quarter inch to prevent the expansion of small rips.
- rising rhythm — a rhythmic pattern created by a succession of metrical feet each of which is composed of one accented syllable preceded by one or more unaccented ones.
- river estuary — a river mouth
- rogation days — Usually, rogations. Ecclesiastical. solemn supplication, especially as chanted during procession on the three days (Rogation Days) before Ascension Day.
- 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.
- 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 device — A safety device is a piece of equipment such as a fire extinguisher, safety belt, or burglar alarm that reduces loss or damage from a fire, accident, or break-in.
- safety island — an area provided for the safety of pedestrians from vehicular traffic, as between lanes on a busy street or highway.
- safety lintel — an auxiliary lintel concealed behind a visible lintel, arch, etc.
- safety margin — something required to ensure safety
- saint anthony — Antony, Mark.
- 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.
- salpingectomy — excision of the Fallopian tube.
- salpingostomy — the formation of an artificial opening into a Fallopian tube.
- sanctifyingly — in a sanctifying manner
- sand-yachting — the sport of riding in a sand yacht
- 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
- schematically — pertaining to or of the nature of a schema, diagram, or scheme; diagrammatic.
- schizomycetes — any of numerous microorganisms of the subkingdom (or phylum) Schizophyta, kingdom Monera, comprising the bacteria.
- scientificity — the application of scientific methods and principles
- scoping study — a preliminary study to define the scope of a project
- scotch whisky — whiskey distilled in Scotland, especially from malted barley in a pot still.
- 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.
- scythian lamb — a fern, Cibotium barometz, of southeastern Asia, having stalks covered with shaggy, brownish hair and large, feathery leaves, formerly believed to be a source of vegetable wool.
- seasonability — fact of being seasonable
- 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
- sedimentology — the study of sedimentary rocks.
- selectability — to choose in preference to another or others; pick out.
- self-emptying — containing nothing; having none of the usual or appropriate contents: an empty bottle.
- self-identify — identify (defs 7, 8): to self-identify as gay; to self-identify with others in the same situation.
- self-identity — the identity or consciousness of identity of a thing with itself.
- self-immunity — the state of being immune from or insusceptible to a particular disease or the like.
- self-security — freedom from danger, risk, etc.; safety.
- semi-autonomy — the quality or state of being semiautonomous.
- semi-mythical — pertaining to, of the nature of, or involving a myth.
- semisedentary — partially or somewhat sedentary
- semisynthetic — derived synthetically from one or more substances of natural origin.
- sensationally — producing or designed to produce a startling effect, strong reaction, intense interest, etc., especially by exaggerated, superficial, or lurid elements: a sensational novel.
- sententiously — abounding in pithy aphorisms or maxims: a sententious book.