16-letter words containing p, o, r
- rhinopharyngitis — inflammation of the mucous membranes of the nose and pharynx.
- rhynchocephalian — belonging or pertaining to the Rhynchocephalia, an order of lizardlike reptiles that are extinct except for the tuatara.
- riau archipelago — a group of islands belonging to Indonesia, off the SE coast of the Malay Peninsula, at the entrance to the Strait of Malacca. 36,510 sq. mi. (94,561 sq. km).
- rising diphthong — a diphthong in which the first of two apparent vocalic elements is of lesser stress or sonority than the second, as the (wä) in guava [gwah-vuh] /ˈgwɑ və/ (Show IPA).
- roadside repairs — repairs to a vehicle that has broken down on the road
- robin's plantain — the rattlesnake weed, Hieracium venosum.
- rochelle powders — (not in technical use) Seidlitz powders.
- rocket-propelled — using rocket power as the chief motive force.
- rodent operative — a name sometimes used for an official (operative) employed by a local authority to destroy vermin
- roentgenotherapy — treatment of disease by means of x-rays.
- rolled paperwork — a form of decoration on small objects, such as boxes, in which a design is made up of tiny rolls of paper cut crossways and laid together: popular in the 18th and 19th centuries
- room temperature — a comfortable temperature range indoors, usually considered to be 68 to 77°F (20 to 25°C).
- rooting compound — a substance, usually a powder, containing auxins in which plant cuttings are dipped in order to promote root growth
- run-time support — run-time system
- saint peter port — a port and resort in the Channel Islands: the capital of the Bailiwick of Guernsey, on the E coast of the island of Guernsey. Pop: 28 310 (2001)
- saint-john perse — (Alexis Saint-Léger Léger) 1887–1975, French diplomat and poet: Nobel Prize in literature 1960.
- saratoga springs — a city in E New York: health resort; horse races.
- saturation point — the point at which a substance will receive no more of another substance in solution, chemical combination, etc.
- savannah sparrow — a North American sparrow, Passerculus sandwichensis, having brown and white plumage with a yellow stripe over each eye.
- schneider trophy — a trophy for air racing between seaplanes of any nation, first presented by Jacques Schneider (1879–1928) in 1913; won outright by Britain in 1931
- school inspector — an official whose job is to inspect schools and to report on their quality and conditions
- score points off — to gain an advantage at someone else's expense
- scrovegni chapel — Arena Chapel.
- seal of approval — royal stamp of endorsement
- secondary phloem — phloem derived from the cambium during secondary growth.
- seidlitz powders — a mild laxative consisting of tartaric acid, sodium bicarbonate, and Rochelle salt, which are dissolved separately, mixed, and drunk after effervescence.
- selenomorphology — the study of the lunar surface and landscape
- self-approbation — approval; commendation.
- self-deprecation — belittling or undervaluing oneself; excessively modest.
- self-deprecatory — belittling or undervaluing oneself; excessively modest.
- self-deprivation — the act of depriving.
- self-description — a statement, picture in words, or account that describes; descriptive representation.
- self-exculpatory — intended to excuse oneself from blame or guilt
- self-explanatory — explaining itself; needing no explanation; obvious.
- self-improvement — improvement of one's mind, character, etc., through one's own efforts.
- self-preoccupied — preoccupied by one's own concerns
- self-preparation — a proceeding, measure, or provision by which one prepares for something: preparations for a journey.
- self-proclaiming — to announce or declare in an official or formal manner: to proclaim war.
- self-pronouncing — having the pronunciation indicated, especially by diacritical marks added on original spellings rather than by phonetic symbols: a self-pronouncing dictionary.
- self-propagating — to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
- self-reproducing — to make a copy, representation, duplicate, or close imitation of: to reproduce a picture.
- self-suppression — Psychoanalysis. conscious inhibition of an impulse.
- semiprivate room — a hospital room shared by two people, typically with a curtain dividing the room and providing some privacy
- semiprofessional — actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.
- sense perception — perception by the senses rather than by the intellect.
- separate opinion — an opinion written by a judge separately from other judges, which can either agree or disagree with the opinion written by the majority of judges
- serpentine front — a front, as of a chest of drawers, having a horizontal compound curve with a convex section between two concave ones.
- service provider — company: provides internet
- shaft horsepower — the horsepower delivered to the driving shaft of an engine, as measured by a torsion meter. Abbreviation: shp, SHP.
- shared ownership — (in Britain) a form of house purchase whereby the purchaser buys a proportion of the dwelling, usually from a local authority or housing association, and rents the rest