13-letter words containing s, p, o, r, u
- noncompulsory — Not compulsory.
- nondisruptive — causing, tending to cause, or caused by disruption; disrupting: the disruptive effect of their rioting.
- norway spruce — a European spruce, Picea abies, having shiny, dark-green needles, grown as an ornamental.
- nurseryperson — A nurseryman or nurserywoman.
- ombudspersons — Plural form of ombudsperson.
- onus probandi — the burden of proof.
- open universe — a model of the universe in which the universe expands forever because there is not enough mass to counteract the expansion by means of gravitational attraction.
- opening hours — Opening hours are the times during which a shop, bank, library, or bar is open for business.
- opportuneness — The state or condition of being opportune.
- opportunistic — adhering to a policy of opportunism; practicing opportunism.
- opportunities — Plural form of opportunity.
- opprobriously — In an opprobrious manner.
- ostreophagous — oyster-eating
- outperformers — Plural form of outperformer.
- outprocessing — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
- overspeculate — to engage in thought or reflection; meditate (often followed by on, upon, or a clause).
- 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.