13-letter words containing r, u, s, o
- overspeculate — to engage in thought or reflection; meditate (often followed by on, upon, or a clause).
- overstimulate — to stimulate too much
- oversubscribe — to subscribe for more of than is available, expected, or required: The charity drive was oversubscribed by several thousand dollars.
- overzealously — too zealous: overzealous for reform.
- ovoviviparous — producing eggs that are hatched within the body, so that the young are born alive but without placental attachment, as certain reptiles or fishes.
- papaveraceous — belonging to the Papaveraceae, the poppy family of plants.
- paramyxovirus — any of various RNA-containing viruses that are similar to but larger than the myxoviruses, including the viruses that cause mumps, measles, parainfluenza, and Newcastle disease.
- paris commune — commune3 (def 8).
- parnell shout — a social occasion where each person in a group pays for his or her own entertainment or meal
- parthenopaeus — a son of Hippomenes and Atalanta, and one of the Seven against Thebes.
- passe-partout — something that passes everywhere or provides a universal means of passage.
- passion fruit — any edible fruit of a passionflower, as the maypop.
- percussionist — a musician who plays percussion instruments.
- perimenopause — the period leading up to the menopause during which some of the symptoms associated with menopause may be experienced
- perlustration — the act of perlustrating; a thorough inspection or survey, esp of letters for purposes of surveillance
- perscrutation — a very careful exploration or inspection
- personal foul — a foul called in certain games, as basketball or football, for illegal body contact or rough, unsportsmanlike play.
- perspicacious — having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
- petroliferous — containing or yielding petroleum
- phosphorus 32 — a radioactive isotope of phosphorus, used as a chemotherapeutic agent.
- phosphorus-32 — a radioactive isotope of phosphorus, used as a chemotherapeutic agent.
- phosphuretted — treated or combined with phosphorus
- platiniferous — platinum-bearing
- platykurtosis — the state of being platykurtic.
- pleasure boat — recreational vessel
- pleasure dome — a large building, facility, or place used for recreation.
- plectopterous — of or relating to the order Plectoptera, containing mayflies
- plesiosaurian — a member of the reptile order Plesiosauria
- pleurisy root — a North American milkweed, Asclepias tuberosa, whose root was used as a remedy for pleurisy.
- pleurocarpous — (of certain mosses) bearing the fructifications along the main stem or lateral branches.
- plus or minus — You use plus or minus to give the amount by which a particular number may vary.
- pneumogastric — of or relating to the lungs and stomach.
- pocket-square — a handkerchief, often colored or figured, worn in the breast pocket of a suit or blazer as a fashion accessory.
- pococurantism — a careless or indifferent person.
- pococurantist — a person who demonstrates a tendency toward indifference
- polar nucleus — Botany. either of two female haploid nuclei, in the embryo sac of flowers, that fuse to produce a diploid nucleus, which combines with a male nucleus to form the endosperm.
- polliniferous — Botany. producing or bearing pollen.
- polyoma virus — a small DNA-containing virus, of the papovavirus group, that can produce a variety of tumors in mice, hamsters, rabbits, and rats.
- pons asinorum — a geometric proposition that if a triangle has two of its sides equal, the angles opposite these sides are also equal: so named from the difficulty experienced by beginners in mastering it. Euclid, 1:5.
- popular music — music having wide appeal, esp characterized by lightly romantic or sentimental melodies
- porcelaineous — like porcelain
- porcupinefish — any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
- port du salut — Port-Salut.
- post-consumer — noting or pertaining to a product after it has been used and recycled: a chair made of postconsumer plastic.
- post-freudian — of or relating to Sigmund Freud or his doctrines, especially with respect to the causes and treatment of neurotic and psychopathic states, the interpretation of dreams, etc.
- post-graduate — of, pertaining to, characteristic of, or consisting of post-graduates: a postgraduate seminar.
- postauricular — of or relating to the ear or to the sense of hearing; aural.
- postbourgeois — (in Marxist thought) belonging to a period of society after the decline of the bourgeoisie
- postinaugural — of or relating to the period after an inauguration
- postmenstrual — of or relating to menstruation or to the menses.