13-letter words containing s, u, p, o, a
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- 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.
- packing house — A packing house is a company that processes and packs food, especially meat, to be sold.
- pamlico sound — a sound between the North Carolina mainland and coastal islands.
- pan-teutonism — Pan-Germanism.
- papaveraceous — belonging to the Papaveraceae, the poppy family of plants.
- papillomatous — a benign tumor of the skin or mucous membrane consisting of hypertrophied epithelial tissue, as a wart.
- 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.
- passamaquoddy — a member of a small tribe of North American Indians formerly of coastal Maine and New Brunswick and now living in Maine.
- passe-partout — something that passes everywhere or provides a universal means of passage.
- passion fruit — any edible fruit of a passionflower, as the maypop.
- pay as you go — the act of paying or being paid; payment.
- pay-as-you-go — the principle or practice of paying for goods and services at the time of purchase, rather than relying on credit.
- pentadelphous — (of a plant) having its stamens arranged in five groups; (of stamens) being arranged in five groups
- pentastichous — (of plant leaves) arranged in five vertical rows
- 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.
- philo judaeus — c20 b.c.–a.d. c50, Alexandrian Jewish theologian and philosopher.
- photoacoustic — optoacoustic
- phyllocladous — having phylloclades.
- phyllophagous — (of an organism) feeding on leaves.
- plagiostomous — plagiostome
- plastoquinone — a quinone that occurs in the chloroplasts of plants and functions as an electron carrier during photosynthesis.
- platiniferous — platinum-bearing
- platitudinous — characterized by or given to platitudes.
- platykurtosis — the state of being platykurtic.
- pleasure boat — recreational vessel
- pleasure dome — a large building, facility, or place used for recreation.
- plesiosaurian — a member of the reptile order Plesiosauria
- pleurocarpous — (of certain mosses) bearing the fructifications along the main stem or lateral branches.
- pneumatolysis — the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.
- 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
- poison sumach — an anacardiaceous swamp shrub, Rhus (or Toxicodendron) vernix of the southeastern US, that has greenish-white berries and causes an itching rash on contact with the skin
- 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.
- polyadelphous — (of stamens) united by the filaments into three or more sets or bundles.
- polygalaceous — any plant of the genus Polygala, comprising the milkworts.
- polygonaceous — belonging to the Polygonaceae, the buckwheat family of plants.
- polyoma virus — a small DNA-containing virus, of the papovavirus group, that can produce a variety of tumors in mice, hamsters, rabbits, and rats.
- polythalamous — having multiple chambers
- 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.