13-letter words containing a, s, o, u, n
- 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.
- polygonaceous — belonging to the Polygonaceae, the buckwheat family of plants.
- 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.
- porcelaineous — like porcelain
- 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.
- postdebutante — following the stage of being a debutante
- postinaugural — of or relating to the period after an inauguration
- postmenstrual — of or relating to menstruation or to the menses.
- postulational — to ask, demand, or claim.
- pouring-basin — (in a vacuum induction furnace) a trough through which molten metal flows under vacuum to a mold chamber.
- premenopausal — of, relating to, or characteristic of menopause.
- protanomalous — of, relating to, or affected by protanomaly
- proteinaceous — Biochemistry. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids linked in a genetically controlled linear sequence into one or more long polypeptide chains, the final shape and other properties of each protein being determined by the side chains of the amino acids and their chemical attachments: proteins include such specialized forms as collagen for supportive tissue, hemoglobin for transport, antibodies for immune defense, and enzymes for metabolism.
- pucciniaceous — (of a fungus) belonging to the genus Puccinia
- puritan spoon — a silver spoon having an ovoid bowl and a straight, flat, completely plain stem.
- pusillanimous — lacking courage or resolution; cowardly; faint-hearted; timid.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- quaternionist — a mathematician who works with quaternions
- question mark — Also called interrogation point, interrogation mark. a mark indicating a question: usually, as in English, the mark (?) placed after a question.
- questionaries — Plural form of questionary.
- questionnaire — a list of questions, usually printed, submitted for replies that can be analyzed for usable information: a questionnaire used in market research.
- rabblerousing — Of or pertaining to a rabble-rouser.
- raking course — a concealed course of bricks laid diagonally to the wall surface in a raking bond.
- reacquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- regiomontanus — Friedrich Max [free-drik maks;; German free-drikh mahks] /ˈfri drɪk mæks;; German ˈfri drɪx mɑks/ (Show IPA), 1823–1900, English Sanskrit scholar and philologist born in Germany.
- restimulation — the act or process of stimulating again; reactivation
- resublimation — Psychology. the diversion of the energy of a sexual or other biological impulse from its immediate goal to one of a more acceptable social, moral, or aesthetic nature or use.
- resuscitation — to revive, especially from apparent death or from unconsciousness.
- rivalrousness — characterized by rivalry; competitive: the rivalrous aspect of their friendship.
- rose geranium — a geranium, Pelargonium graveolens, cultivated for its fragrant, lobed or narrowly divided leaves.
- roxas y acuña — Manuel (maˈnwel). 1892–1948, Philippine statesman; first president of the Republic of the Philippines (1946–48)
- russian olive — oleaster.
- russification — Russianize (defs 1, 2).
- saint columba — Padraic [paw-drik] /ˈpɔ drɪk/ (Show IPA), 1881–1972, Irish poet and dramatist, in the U.S. from 1914.
- salviniaceous — relating to the genus Salviniaceae
- sanctimonious — making a hypocritical show of religious devotion, piety, righteousness, etc.: They resented his sanctimonious comments on immorality in America.
- sansculottism — (in the French Revolution) a revolutionary of the poorer class: originally a term of contempt applied by the aristocrats but later adopted as a popular name by the revolutionaries.
- santos-dumont — Alberto [ahl-ber-too] /ɑlˈbɛr tʊ/ (Show IPA), 1873–1932, Brazilian aeronaut in France: designer and builder of dirigibles and airships.
- saurognathous — related to or resembling the Saurognathae family of birds that possess palate bones similar to those in saurians or lizards
- sea buckthorn — a thorny Eurasian shrub, Hippophaë rhamnoides, growing on sea coasts and having silvery leaves and orange fruits: family Elaeagnaceae
- second nature — an acquired habit or tendency in one's character that is so deeply ingrained as to appear automatic: Neatness is second nature to him.
- selenous acid — a colorless, transparent, crystalline powder, H2SeO3, soluble in water and used as a reagent
- semi-autonomy — the quality or state of being semiautonomous.
- sensate focus — a series of touching exercises designed to increase intimacy in a sexual relationship
- sensorineural — related to or affecting a sensory nerve or a sensory mechanism together with its neural circuitry.
- sequestration — removal or separation; banishment or exile.
- sex education — Sex education is education in schools on the subject of sexual activity and sexual relationships.