17-letter words containing o, d, y, n
- polyadenylic acid — a homopolymer of adenylic acid enzymatically added to messenger RNA in eukaryotic cells to inhibit the hydrolytic breakdown of messenger RNA.
- potassium cyanide — a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
- predatory pricing — If a company practises predatory pricing, it charges a much lower price for its products or services than its competitors in order to force them out of the market.
- primary dentition — the deciduous dentition
- primary education — junior, elementary schooling
- production system — (programming) A production system consists of a collection of productions (rules), a working memory of facts and an algorithm, known as forward chaining, for producing new facts from old. A rule becomes eligible to "fire" when its conditions match some set of elements currently in working memory. A conflict resolution strategy determines which of several eligible rules (the conflict set) fires next. A condition is a list of symbols which represent constants, which must be matched exactly; variables which bind to the thing they match and "<> symbol" which matches a field not equal to symbol. Example production systems are OPS5, CLIPS, flex.
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
- proof of identity — a document or documents used to verify someone's identity
- proprietary brand — a brand of product that is privately owned and controlled
- psychodiagnostics — the study and evaluation of character or personality in terms of behavioral and anatomical traits, as gesture, posture and physiognomy.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- pull your head in — be quiet!
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- quantity discount — When you receive a quantity discount from a store or supplier, you pay less because you have bought a large quantity of goods. Also known as bulk buying discount.
- radiation therapy — x-rays used as treatment
- rapid prototyping — (programming) The creation of a working model of a software module to demonstrate the feasibility and suitability of the function. The prototype is expected to be replaced or refined before inclusion in the final product. Rapid prototyping contrasts with a DIRFT approach which emphasises careful design and implementation to avoid the overheads of debugging and testing prototype code. Rapid prototyping is appropriate when the requirements are unclear or likely to change (which is most of the time).
- reiter's syndrome — a disease of unknown cause, occurring primarily in adult males, marked by urethritis, conjunctivitis, and arthritis.
- ross and cromarty — a historic county in NW Scotland.
- sable island pony — a variety of wild pony found on Sable Island, Nova Scotia
- school playground — school's outdoor recreation area
- secondary battery — storage battery.
- secondary boycott — a boycott by union members against their employer in order to induce the employer to bring pressure on another company involved in a labor dispute with the union.
- secondary contact — communication or relationship between people characterized by impersonal and detached interest on the part of those involved.
- secondary glazing — insulation by means of a second pane of glass, or a sheet of plastic: a simple form of double glazing
- secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
- secondary product — a product that is not the main product of an industry; a by-product
- secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- secondary rainbow — a faint rainbow formed by light rays that undergo two internal reflections in drops of rain, appearing above the primary rainbow and having its colors in the opposite order.
- secondary sealing — Secondary sealing is a system of wiper seals used in floating roof tanks.
- secondary winding — A secondary winding is the winding of a transformer that receives its energy by electromagnetic induction from the primary winding.
- shopping bag lady — bag lady (def 1).
- shopping-bag lady — bag lady (def 1).
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
- socially included — benefiting from social inclusion
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- spondylolisthesis — the forward displacement of a vertebra.
- spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
- stage-door johnny — a man who often goes to a theater or waits at a stage door to court an actress.
- stand on ceremony — to insist on or act with excessive formality
- stand your ground — relating to or denoting a legal principle or law that eliminates the duty to retreat by allowing, as a first response, self-defense by deadly force: We’re proud to represent Florida, the first stand your ground state.
- strawberry blonde — woman: with reddish fair hair
- sulfonyl chloride — a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.
- sunday observance — the fact of keeping Sunday as a special day when people go to church
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
- survivor syndrome — a characteristic group of symptoms, including recurrent images of death, depression, persistent anxiety, and emotional numbness, occurring in survivors of disaster.
- sword and sorcery — a genre of literature and film, usually set in days of old with magic as well as sword fighting
- sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
- synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.