16-letter words containing i, o, a
- 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.
- director-general — the executive head of an organization or of a major subdivision, as a branch or agency, of government.
- disaccreditation — to take away the accreditation or authorization of: to disaccredit a diplomat.
- disclosing agent — a vegetable dye, administered as a liquid or in tablet form (disclosing tablet), that stains plaque, making it readily apparent on the teeth
- discographically — In terms of discography.
- discombobulating — Present participle of discombobulate.
- discombobulation — to confuse or disconcert; upset; frustrate: The speaker was completely discombobulated by the hecklers.
- disconsolateness — (uncountable) The state of being disconsolate; gloom.
- discountenancing — Present participle of discountenance.
- discriminatorily — characterized by or showing prejudicial treatment, especially as an indication of bias related to age, color, national origin, religion, sex, etc.: discriminatory practices in housing; a discriminatory tax.
- discussion board — a website or section of a website that is used for public discussion of a specific topic and on which users can submit or read messages: You should post your questions on a parenting message board and get support from other parents.
- disequilibration — to put out of equilibrium; unbalance: A period of high inflation could disequilibrate the monetary system.
- dishonorableness — The property of being dishonorable.
- disincorporation — to remove from an incorporated state or status.
- dispersal prison — a prison organized and equipped to accommodate a proportion of the most dangerous and highest security risk prisoners
- displaced person — a person driven or expelled from his or her homeland by war, famine, tyranny, etc. Abbreviation: DP, D.P.
- displacement ton — a unit for measuring the displacement of a vessel, equal to a long ton of 2240 pounds (1016 kg) or 35 cu. ft. (1 cu. m) of seawater.
- disposable goods — consumer goods that are used up a short time after purchase, including perishables, newspapers, clothes, etc
- disproportionate — not proportionate; out of proportion, as in size or number.
- disputatiousness — The state or quality of being disputatious or argumentative; contentiousness.
- disqualification — an act or instance of disqualifying.
- dissatisfactions — Plural form of dissatisfaction.
- distance modulus — a measure of the distance, r, of a celestial object too far away to show measurable parallax. It is given by m–M = 5 log(r/10), where m is its apparent magnitude (corrected for interstellar absorption) and M is its absolute magnitude
- distributionally — In a distributional manner.
- distrito federal — Federal District. Abbreviation: D.F.
- diversifications — Plural form of diversification.
- division algebra — a linear algebra in which each element of the vector space has a multiplicative inverse.
- divisional court — a high court in which at least two judges sit
- do like a dinner — to do for, overpower, or outdo
- document imaging — the process of converting paper documents into an electronic or digital format
- documentary film — factual, informative film
- dolce far niente — pleasing inactivity.
- dolichocephalism — (medicine) The quality or condition of being dolichocephalic.
- dollar diplomacy — a government policy of promoting the business interests of its citizens in other countries.
- domain selection — (systems analysis) The prioritisation and selection of one or more domains for which specific software reuse engineering projects are to be initiated.
- domestic partner — either member of an unmarried, cohabiting, and especially homosexual couple that seeks benefits usually available only to spouses.
- domestic prelate — an honorary distinction conferred by the Holy See upon clergy, entitling them to some of the privileges of a bishop.
- domestic servant — person employed to do household chores
- domiciliary care — services, such as meals-on-wheels, health visiting, and home help, provided by a welfare agency for people in their own homes
- dominical letter — any one of the letters from A to G used in church calendars to mark the Sundays throughout any particular year, serving primarily to aid in determining the date of Easter.
- dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
- double pneumonia — pneumonia affecting both lungs.
- double solitaire — a game of solitaire for two persons, each player usually having a pack and layout but pooling foundations with the opponent.
- double-breasting — the practice of employing nonunion workers, especially in a separate division, to supplement the work of higher-paid union workers.
- drag coefficient — a measure of the drag of an object in a moving fluid, esp air
- dramatic society — an amateur dramatics club
- dressing station — a post or center that gives first aid to the wounded, located near a combat area.
- drift transistor — a transistor in which the impurity concentration in the base increases from the collector-base junction to the emitter-base junction, producing a resistivity gradient that greatly increases its high-frequency response
- driver education — a course of study, as for high-school students, that teaches the techniques of driving a vehicle, along with basic vehicle maintenance, safety precautions, and traffic regulations and laws.
- dry distillation — destructive distillation.