15-letter words containing a, d, i, o
- cottage pudding — plain cake covered with a sweet sauce
- country dancing — Country dancing is traditional dancing in which people dance in rows or circles.
- covaledictorian — A graduating student who shares the position of valedictorian with another student.
- cracked gas oil — Cracked gas oil is a gas oil which is formed as one of the products of a gas reaction.
- creditor nation — a nation that owes less to foreign and international bodies than they owe to it
- criminal record — a list of a person's criminal convictions
- critical period — a period in a lifetime during which a specific stage of development usually occurs. If it fails to do so, it cannot readily occur afterwards
- crocodile tears — If someone is crying crocodile tears, their tears and sadness are not genuine or sincere.
- crohn's disease — inflammation, thickening, and ulceration of any of various parts of the intestine, esp the ileum
- cyanide process — a process for recovering gold and silver from ores by treatment with a weak solution of sodium cyanide
- cycling holiday — a holiday in which one cycles between destinations
- cyclopentadiene — a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar: used in the manufacture of plastics and insecticides. Formula: C5H6
- daffodil yellow — a bright yellow colour
- daguerreotyping — Present participle of daguerreotype.
- daguerreotypist — an obsolete photographic process, invented in 1839, in which a picture made on a silver surface sensitized with iodine was developed by exposure to mercury vapor.
- dark adaptation — the adaptation of the eye to vision in the dark by dilation of the pupil, increased sensitivity of the retina, etc.
- dartmouth basic — (language) The original BASIC language, designed by John G. Kemeny and Thomas E. Kurtz at Dartmouth College in 1963. Dartmouth BASIC first ran on a GE 235 [date?] and on an IBM 704 on 1964-05-01. It was designed for quick and easy programming by students and beginners using Dartmouth's experimental time-sharing system. Unlike most later BASIC dialects, Dartmouth BASIC was compiled.
- data collection — the process of gathering information or data
- data dictionary — an index of data held in a database and used to assist in the access to data
- data processing — Data processing is the series of operations that are carried out on data, especially by computers, in order to present, interpret, or obtain information.
- data protection — (in Britain) safeguards for individuals relating to personal data stored on a computer
- day in, day out — If you say that something happens day in, day out or day in and day out, you mean that it happens regularly over a long period of time.
- de broglie wave — a hypothetical wave associated with the motion of a particle of atomic or subatomic size that describes effects such as the diffraction of beams of particles by crystals.
- de-unionization — to eliminate labor unions from (a company, industry, etc.).
- deacidification — a procedure that is carried out to lessen the level of acid present in paper
- dead on arrival — dead before reaching hospital
- deagglomeration — Deagglomeration is the process of breaking up agglomerates.
- deal someone in — to occupy oneself or itself (usually followed by with or in): Botany deals with the study of plants. He deals in generalities.
- dealer's choice — a card game, as poker, in which the dealer decides what particular game is to be played, often depending on the number of players, and designates any special variations or unusual rules, including setting the stakes.
- debathification — The process of removing former members of the ruling Bath party of Iraq from the military and civil office following the ousting of w Saddam Hussein.
- decalcification — the act or process of decalcifying.
- decarboxylation — the removal or loss of a carboxyl group from an organic compound
- decarburization — The act, process, or result of decarburizing.
- decasualization — the replacement of casual workers by permanent employees
- deception table — a table of the 18th century made so as to conceal its true function, as in serving as a cabinet for a chamber pot.
- decertification — The act or process of decertifying.
- decision-making — the act or process of making decisions
- decollate snail — a cone-shaped, burrowing snail, Rumina decollata, that feeds on common brown garden snails.
- decommunization — the act or process of decommunizing
- decomposability — (uncountable) The condition of being decomposable.
- decompositional — Of or pertaining to decomposition.
- deconcentrating — Present participle of deconcentrate.
- deconcentration — the act of decentralizing or the state of becoming less concentrated in one area
- decontaminating — Present participle of decontaminate.
- decontamination — to make (an object or area) safe for unprotected personnel by removing, neutralizing, or destroying any harmful substance, as radioactive material or poisonous gas.
- decontextualise — Alternative spelling of decontextualize.
- decontextualize — to consider (something) in isolation from its usual context
- decorative arts — art that is meant to be useful as well as beautiful, as ceramics, furniture, jewelry, and textiles.
- deformalization — to make less formal; reduce the strictness, preciseness, etc., of.
- defragmentation — (computing) The action of defragmenting, particularly with respect to a computer disk or drive.