16-letter words containing a, c, t, o
- delayed reaction — response after an interval
- delta connection — a connection used in a three-phase electrical system in which three elements in series form a triangle, the supply being input and output at the three junctions
- delta conversion — delta reduction
- dementia praecox — schizophrenia
- democratic party — (in the US) the older and more liberal of the two major political parties, so named since 1840
- denuclearization — The act or process of denuclearizing.
- dephlogisticated — Simple past tense and past participle of dephlogisticate.
- depoliticization — The act or process of depoliticizing.
- deradicalization — the practice of encouraging those with extreme and violent religious or political ideologies to adopt more moderate views
- dermatologically — In a dermatological way.
- deuterocanonical — of or constituting a second or subsequent canon; specif., designating certain Biblical books accepted as canonical in the Roman Catholic Church, but held by Protestants to be apocryphal
- devil's advocate — If you play devil's advocate in a discussion or debate, you express an opinion which you may not agree with but which is very different to what other people have been saying, in order to make the argument more interesting.
- diacetylmorphine — heroin.
- diamond district — the part of a town where diamond merchants and jewellers have their businesses
- diamondback moth — a small moth Plutella xylostella that has diamond-shaped markings on the underside of its front wings that are visible when the wings are folded
- dictionary flame — [Usenet] An attempt to sidetrack a debate away from issues by insisting on meanings for key terms that presuppose a desired conclusion or smuggle in an implicit premise. A common tactic of people who prefer argument over definitions to disputes about reality. Compare spelling flame.
- dictionary-maker — a person who compiles a dictionary
- diethyl carbinol — a colorless, liquid isomer of amyl alcohol, (CH3CH2)2CHOH, used in drugs and as a solvent
- digital computer — a computer that processes information in digital form.
- dihydroxyacetone — (organic compound) The compound CO(CH2OH)2 that has a number of industrial uses.
- dimethylcarbinol — isopropyl alcohol.
- diplomatic corps — the entire body of diplomats accredited to and resident at a court or capital.
- diplomatic pouch — a sealed mailbag containing diplomatic correspondence that is sent free of inspection between a foreign office and its diplomatic or consular post abroad or from one such post to another.
- direct democracy — to manage or guide by advice, helpful information, instruction, etc.: He directed the company through a difficult time.
- direct-mail shot — the posting of unsolicited sales literature to potential customers' homes or business addresses
- director general — the executive head of an organization or of a major subdivision, as a branch or agency, of government.
- 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
- 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.
- disincorporation — to remove from an incorporated state or status.
- 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.
- 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
- diversifications — Plural form of diversification.
- divisional court — a high court in which at least two judges sit
- do the necessary — to do something that is necessary in a particular situation
- document imaging — the process of converting paper documents into an electronic or digital format
- documentary film — factual, informative film
- dolce far niente — pleasing inactivity.
- 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