13-letter words containing s, y, r, o
- pyrocellulose — cordite.
- pyrophosphate — a salt or ester of pyrophosphoric acid.
- quarrelsomely — In a quarrelsome manner.
- ray tomlinson — (person) An engineer at Bolt Beranek and Newman who, in July 1972 while designing the first[?] electronic mail program, chose the commercial at symbol "@" to separate the user name from the computer name.
- reasonability — agreeable to reason or sound judgment; logical: a reasonable choice for chairman.
- recovery ship — a naval vessel designed to participate in the retrieval of a satellite, instrument package, or spaceship after it has re-entered the atmosphere and landed in the ocean
- relay station — a radio station that receives radio signals and retransmits them, in order to extend their range
- remonstrantly — in a remonstrant or opposing manner
- remonstratory — characterized by protest or expostulation
- repetitiously — full of repetition, especially unnecessary and tedious repetition: a repetitious account of their vacation trip.
- restoratively — in a restorative manner
- resynchronize — to synchronize again
- rhesus monkey — animal: macaque
- ripstop nylon — a nylon fabric woven with a double thread approximately every quarter inch to prevent the expansion of small rips.
- road surveyor — a person who does surveying work for road building
- rogation days — Usually, rogations. Ecclesiastical. solemn supplication, especially as chanted during procession on the three days (Rogation Days) before Ascension Day.
- rosehip syrup — a syrup made from rosehips, used as a cough remedy
- roxas y acuña — Manuel (maˈnwel). 1892–1948, Philippine statesman; first president of the Republic of the Philippines (1946–48)
- royal marines — a corps of soldiers specially trained in amphibious warfare
- 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.
- saccharolytic — of or causing the hydrolysis of sugars.
- saccharometry — the process of determining the quantity of sugar in a solution
- saccharomyces — a fungus of the genus Saccharomyces, esp the yeast plant
- sacrosanctity — extremely sacred or inviolable: a sacrosanct chamber in the temple.
- safety factor — the ratio of the maximum stress that a structural part or other piece of material can withstand to the maximum stress estimated for it in the use for which it is designed.
- saint gregory — Saint (Hildebrand) c1020–85, Italian ecclesiastic: pope 1073–85.
- scalariformly — in a scalariform or ladder-like manner
- sclerotherapy — Medicine/Medical. a treatment for varicose veins in which blood flow is diverted and the veins collapsed by injection of a hardening solution, also used cosmetically in spider veins to eliminate discoloration.
- scotland yard — a short street in central London, England: formerly the site of the London police headquarters, which were removed 1890 to a Thames embankment (New Scotland Yard, ).
- screen memory — a childhood memory, perhaps recalled falsely, that screens out a more distressing recollection.
- screwworm fly — the adult screwworm.
- secondary era — the period from the beginning of the Triassic to the end of the Cretaceous
- security zone — an area controlled by security forces
- see you later — an expression of farewell
- send away for — order by post
- serologically — as pertains to or with respect to serology; in a serological manner
- serpiginously — in a serpiginous manner; in the manner characteristic of serpigo
- shirley poppy — a cultivated strain of the corn poppy, having variously colored single or double flowers.
- shock therapy — (not in technical use) any of various therapies, as insulin shock therapy or electroconvulsive therapy, that induce convulsions or unconsciousness, used for symptomatic relief in certain mental disorders.
- shockumentary — a television programme showing members of the public in shocking or violent situations
- shrove monday — the Monday before Ash Wednesday.
- shrove sunday — the Sunday before Ash Wednesday; Quinquagesima.
- shy away from — If you shy away from doing something, you avoid doing it, often because you are afraid or not confident enough.
- significatory — serving to signify
- 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
- soapbox derby — a race between children in homemade racing carts
- soccer player — A soccer player is a person who plays soccer, especially as a profession.
- society verse — light, graceful, entertaining poetry considered as appealing to polite society.