13-letter words containing a, c, r, u
- nuclear waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
- numerological — Of, pertaining to, or based on numerology.
- nutraceutical — A food containing health-giving additives and having medicinal benefit.
- oceanic crust — the brown, hard outer portion or surface of a loaf or slice of bread (distinguished from crumb).
- octane number — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
- on sufferance — passive permission resulting from lack of interference; tolerance, especially of something wrong or illegal (usually preceded by on or by).
- open fracture — compound fracture.
- opera comique — comic opera.
- oraculousness — the state of being oraculous
- outreach work — work (done by welfare workers, volunteers, etc) designed to help and encourage disadvantaged members of the community
- outrecuidance — (archaic) Presumption, arrogance, self-conceit.
- over-cautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
- over-educated — to develop the faculties and powers of (a person) by teaching, instruction, or schooling. Synonyms: instruct, school, drill, indoctrinate.
- overabundance — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overacuteness — sharp or severe in effect; intense: acute sorrow; an acute pain.
- overeducation — the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life.
- overencourage — to encourage too much
- overinsurance — (of goods or property) insurance in excess of actual value
- overspeculate — to engage in thought or reflection; meditate (often followed by on, upon, or a clause).
- palaeocurrent — an ancient current, esp of water, evidence of which has been preserved in sedimentary rocks as fossilized ripple marks, etc
- pao de acucar — Portuguese name of Sugarloaf Mountain.
- papaveraceous — belonging to the Papaveraceae, the poppy family of plants.
- paradise duck — a large duck, Casarca variegata, of New Zealand, having a brightly coloured plumage
- paris commune — commune3 (def 8).
- parish church — local place of worship
- parsley sauce — a white sauce containing chopped parsley
- particularism — exclusive attention or devotion to one's own particular interests, party, etc.
- particularity — the quality or state of being particular.
- particularize — to make particular.
- partly cloudy — sky: not constantly clear
- pastry cutter — a cutter that is used to cut pastry into shapes
- paucis verbis — in or by few words; with brevity.
- pay structure — a collection of pay grades or bands, which set out the different levels of pay for workers in a certain profession, etc
- perpendicular — vertical; straight up and down; upright.
- perscrutation — a very careful exploration or inspection
- perspicacious — having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
- pet insurance — health insurance for a pet
- pharmaceutics — a pharmaceutical preparation or product.
- pickup camper — camper (def 3).
- picture frame — mount for a picture
- picture plane — the plane of a painting, drawing, or the like, that is in the extreme foreground of a picture, is coextensive with but not the same as the material surface of the work, is the point of visual contact between the viewer and the picture, and is conceived as a major structural element in the production of abstract or illusionistic forms.
- picturization — to represent in a picture, especially in a motion picture; make a picture of.
- pitch surface — (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
- planet-struck — affected adversely by the supposed influence of a planet.
- 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
- 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.