16-letter words containing h, r, d, i, a
- channel islander — a person who comes from one of the Channel Islands
- charged particle — an atomic particle with a positive or negative charge, as an electron, proton, or helium ion
- charmed particle — See at charmed (def 2).
- chevaux-de-frise — plural of cheval-de-frise.
- chiclet keyboard — (hardware, abuse) A keyboard with a small, flat rectangular or lozenge-shaped rubber or plastic keys that look like pieces of Chiclets chewing gum. Used especially to describe the original IBM PCjr keyboard. Vendors unanimously liked these because they were cheap, and a lot of early portable and laptop computers were launched with them. Customers rejected the idea with almost equal unanimity, and chiclets are not often seen on anything larger than a digital watch any more.
- child psychiatry — the branch of psychiatry specializing in the treatment of children.
- childcare center — a place or business offering childcare for working parents
- childcare worker — someone who takes care of children in return for money
- children's panel — (in Scotland) a group of representatives of relevant agencies, with the power to deal with a child under sixteen who is in criminal or family trouble. Its hearings are private and replace most of the functions of juvenile courts
- chinese calendar — the former calendar of China, in which the year consisted of 12 lunar months with an intercalary month added seven times every 19 years to reconcile the lunar year of 354 days with the solar year of 365 days, time being reckoned in 60-year cycles with the first cycle dating from 2637 b.c.
- chloracetic acid — chloroacetic acid.
- chlordiazepoxide — a chemical compound used as a tranquillizer and muscle relaxant and in the treatment of delirium tremens. Formula: C16H14ClN3O
- chlorinated lime — bleaching powder.
- chlorogenic acid — a colorless crystalline acid, C 16 H 18 O 9 , that is important in plant metabolism and is purportedly responsible for the browning or blackening of cut apples, potatoes, and other fruits and vegetables.
- chondrodysplasia — (medicine) A genetic disorder characterized by short-limbed dwarfism.
- christmas dinner — the main meal on Christmas day, eaten any time in the afternoon or evening
- christmas island — an island in the Indian Ocean, south of Java: administered by Singapore (1900–58), now by Australia; phosphate mining. Pop: 1496 (2013 est). Area: 135 sq km (52 sq miles)
- churidar pyjamas — long tight-fitting trousers, worn by Indian men and women
- cigarette holder — A cigarette holder is a narrow tube that you can put a cigarette into in order to hold it while you smoke it.
- clearsightedness — The property of being clearsighted.
- considering that — You use considering that to indicate that you are thinking about a particular fact when making a judgment or giving an opinion.
- corona discharge — an electrical discharge appearing on and around the surface of a charged conductor, caused by ionization of the surrounding gas
- dark-side hacker — (jargon, legal) A criminal or malicious hacker; a cracker. From George Lucas's Darth Vader, "seduced by the dark side of the Force". The implication that hackers form a sort of elite of technological Jedi Knights is intended. Opposite: samurai.
- darwin's finches — the finches of the subfamily Geospizinae of the Galapagos Islands, showing great variation in bill structure and feeding habits: provided Darwin with evidence to support his theory of evolution
- darwinian theory — Darwin's theory of evolution, which holds that all species of plants and animals developed from earlier forms by hereditary transmission of slight variations in successive generations, and that natural selection determines which forms will survive
- data warehousing — the use of large amounts of data taken from multiple sources to create reports and for data analysis
- daylight robbery — If someone charges you a great deal of money for something and you think this is unfair or unreasonable, you can refer to this as daylight robbery.
- dearborn heights — city in SE Mich.: suburb of Detroit: pop. 58,000
- debating chamber — a room where a legislative assembly holds debates
- dechristianizing — Present participle of dechristianize.
- depart this life — to die
- derbyshire chair — a chair of the mid-17th century, made of oak, usually without arms, and having a back of two carved rails between square uprights.
- devonshire cream — clotted cream.
- diacetylmorphine — heroin.
- diesel-hydraulic — a locomotive driven by a diesel engine through hydraulic transmission and torque converters
- diethyl carbinol — a colorless, liquid isomer of amyl alcohol, (CH3CH2)2CHOH, used in drugs and as a solvent
- digital research — (company) The company which developed CP/M, the operating system used on many of the first generation 8-bit microprocessor-based personal computers. Digital Research also produced DR-DOS. Address: Santa Cruz, CA, USA.
- dihydroxyacetone — (organic compound) The compound CO(CH2OH)2 that has a number of industrial uses.
- dimethylcarbinol — isopropyl alcohol.
- diphosphorylated — (biochemistry) phosphorylated with two units of phosphoric acid.
- direct-mail shot — the posting of unsolicited sales literature to potential customers' homes or business addresses
- director's chair — a lightweight folding armchair with transversely crossed legs and having a canvas seat and back panel, as traditionally used by motion-picture directors.
- discharging arch — an arch for taking some of the weight from a structural member beneath it.
- discographically — In terms of discography.
- disenfranchising — Present participle of disenfranchise.
- disfranchisement — to deprive (a person) of a right of citizenship, as of the right to vote.
- dishonorableness — The property of being dishonorable.
- district heating — a heating system in which centrally generated heat is distributed via ducts and pipes to multiple buildings or locations
- dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
- drainage channel — a channel along which drained water flows away