19-letter words containing c, h, a, d, o
- neighbourhood watch — a scheme under which members of a community agree together to take responsibility for keeping an eye on each other's property, as a way of preventing crime
- neuropsychodynamics — The theoretical synthesis of neuroscience and psychodynamics.
- no strings attached — without conditions
- northwest ordinance — the act of Congress in 1787 providing for the government of the Northwest Territory and setting forth the steps by which its subdivisions might become states.
- noughts and crosses — tick-tack-toe (def 1).
- noughts-and-crosses — tick-tack-toe (def 1).
- occupational hazard — a danger or hazard to workers that is inherent in a particular occupation: Silicosis is an occupational hazard of miners.
- old church slavonic — the oldest attested Slavic language, an ecclesiastical language written first by Cyril and Methodius in a Bible translation of the 9th century and continued in use for about two centuries. It represents the South Slavic, Bulgarian dialect of 9th-century Salonika with considerable addition of other South and West Slavic elements. Abbreviation: OCS.
- old spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
- olive-backed thrush — Swainson's thrush.
- orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
- orthopaedic surgery — surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
- overhead projection — the projection (using an overhead projector) of an enlarged image of a transparency onto a surface above and behind the person using it
- paradichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
- parathyroid extract — an aqueous preparation obtained from the parathyroid gland of cattle, used in medicine chiefly in cases of parathyroid deficiency and in veterinary medicine in the treatment of tetanic convulsions.
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- pocket-handkerchief — handkerchief (def 1).
- police headquarters — building where police are stationed
- polyphosphoric acid — any one of a series of oxyacids of phosphorus with the general formula Hn+2PnO3n+1. The first member is pyrophosphoric acid (n = 2) and the series includes the highly polymeric metaphosphoric acid. The higher acids exist in an equilibrium mixture
- pseudo-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- pseudopsychological — of or relating to psychology.
- punch and judy show — A Punch and Judy show is a puppet show for children, often performed at fairs or at the seaside. Punch and Judy, the two main characters, are always fighting.
- punch-and-judy show — a puppet show having a conventional plot consisting chiefly of slapstick humor and the tragicomic misadventures of the grotesque, hook-nosed, humpback buffoon Punch and his wife Judy.
- pyrophosphoric acid — a crystalline, water-soluble powder, H 4 P 2 O 7 , formed by the union of one molecule of phosphorus pentoxide with two molecules of water.
- radiochromatography — chromatography in which radiolabeled substances on the chromatogram are determined quantitatively or qualitatively by measuring their radioactivity.
- radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
- rancho palos verdes — a town in SW California.
- regular icosahedron — an icosahedron in which each of the faces is an equilateral triangle
- reticuloendothelial — pertaining to, resembling, or involving cells of the reticuloendothelial system.
- rhodesian ridgeback — a large short-haired breed of dog characterized by a ridge of hair growing along the back in the opposite direction to the rest of the coat. It was originally a hunting dog from South Africa
- saccharolactic acid — mucic acid.
- sackcloth and ashes — a public display of extreme grief, remorse, or repentance
- sandwich generation — the generation of people still raising their children while having to care for their aging parents.
- school of the squad — an institution where instruction is given, especially to persons under college age: The children are at school.
- seventh commandment — “Thou shalt not commit adultery”: seventh of the Ten Commandments.
- simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
- solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
- south african dutch — the Boers.
- take care to do sth — If you take care to do something, you make sure that you do it.
- the whole enchilada — all of it; everything; the entirety of something
- theatrical producer — a person who is responsible for all aspects of a theatrical production
- thiophosphoric acid — an acid derived from phosphoric acid by substituting one or more sulfur atoms for oxygen atoms.
- thomas of woodstock — Duke of Gloucester, 1355–97, English prince (son of Edward III).
- throw cold water on — having a relatively low temperature; having little or no warmth: cold water; a cold day.
- to change your mind — If you change your mind, or if someone or something changes your mind, you change a decision you have made or an opinion that you had.
- trahison des clercs — a compromising of intellectual integrity, esp. for political reasons
- tricks of the trade — expert techniques
- what-do-you-call-it — whachamacallit.