13-letter words containing a, c, o, u, s
- paris commune — commune3 (def 8).
- pentastichous — (of plant leaves) arranged in five vertical rows
- perscrutation — a very careful exploration or inspection
- perspicacious — having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
- photoacoustic — optoacoustic
- phyllocladous — having phylloclades.
- pleurocarpous — (of certain mosses) bearing the fructifications along the main stem or lateral branches.
- 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.
- polygalaceous — any plant of the genus Polygala, comprising the milkworts.
- polygonaceous — belonging to the Polygonaceae, the buckwheat family of plants.
- popular music — music having wide appeal, esp characterized by lightly romantic or sentimental melodies
- porcelaineous — like porcelain
- postauricular — of or relating to the ear or to the sense of hearing; aural.
- postholocaust — following a holocaust
- posttraumatic — occurring after physical or psychological trauma.
- prague school — a school of linguistics emphasizing structure, active in the 1920s and 1930s.
- precious opal — any opal having a play of colors, used as a gemstone.
- program music — music intended to convey an impression of a definite series of images, scenes, or events.
- prosecutorial — of or relating to a prosecutor or prosecution: prosecutorial zeal.
- 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.
- pseudo-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- pseudoaquatic — not aquatic but indigenous to moist regions.
- pseudoclassic — falsely or spuriously classic.
- pucciniaceous — (of a fungus) belonging to the genus Puccinia
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- 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.
- resuscitation — to revive, especially from apparent death or from unconsciousness.
- rhesus factor — Rh factor.
- roger-ducasse — Jean Jules Amable [zhahn zhyl a-ma-bluh] /ʒɑ̃ ʒül aˈma blə/ (Show IPA), 1873–1954, French composer.
- rogue's march — a derisive tune played to accompany a person's expulsion from a regiment, community, etc.
- rousseauistic — the doctrines or principles of Jean Jacques Rousseau or his adherents.
- roxas y acuña — Manuel (maˈnwel). 1892–1948, Philippine statesman; first president of the Republic of the Philippines (1946–48)
- 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.
- schizaeaceous — relating to a type of extinct fern
- sclerocaulous — having a hard, dry stem
- 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