16-letter words containing p, r, e, d, i, a
- dementia praecox — schizophrenia
- democratic party — (in the US) the older and more liberal of the two major political parties, so named since 1840
- depart this life — to die
- departmentalized — Simple past tense and past participle of departmentalize.
- departmentalizes — Third-person singular simple present indicative form of departmentalize.
- departure signal — a piece of equipment beside a railway which indicates to train drivers whether they should depart or not
- depleted uranium — Depleted uranium is a type of uranium that is used in some bombs.
- depolymerisation — (chemistry) alternative spelling of depolymerization.
- depolymerization — (chemistry) The decomposition of a polymer into smaller fragments.
- depression glass — cheap glassware mass-produced during the Depression of the 1930s, usually molded in patterns in pale colors, and collectible since the early 1970s
- depressurization — to remove the air pressure from (a pressurized compartment of an aircraft or spacecraft).
- dew-point spread — the degrees of difference between the air temperature and the dew point
- diacetylmorphine — heroin.
- diagonal process — a form of argument in which a new member of a set is constructed from a list of its known members by making the nth term of the new member differ from the nth term of the nth member. The new member is thus different from every member of the list
- digital computer — a computer that processes information in digital form.
- diphosphorylated — (biochemistry) phosphorylated with two units of phosphoric acid.
- disappearing act — magic trick
- dispersal prison — a prison organized and equipped to accommodate a proportion of the most dangerous and highest security risk prisoners
- dispersing agent — a surface-active substance added to a suspension, usually a colloid, to improve the separation of particles and to prevent settling or clumping
- displaced person — a person driven or expelled from his or her homeland by war, famine, tyranny, etc. Abbreviation: DP, D.P.
- display terminal — Visual Display Unit
- disproportionate — not proportionate; out of proportion, as in size or number.
- disreputableness — The state or quality of being disreputable or disgraceful; disreputability.
- 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.
- dual personality — a disorder in which an individual possesses two dissociated personalities.
- duplessis-mornay — Philippe [fee-leep] /fiˈlip/ (Show IPA), Mornay, Philippe de.
- duplicate bridge — a form of contract bridge used in tournaments in which contestants play the identical series of deals, with each deal being scored independently, permitting individual scores to be compared.
- dynamic response — The dynamic response of a machine, structure, or process is how it reacts over time to something that is done to it.
- earthly paradise — Bible: Garden of Eden
- eastern whipbird — an Australian whipbird, Psophodes olivaceus
- echocardiographs — Plural form of echocardiograph.
- echocardiography — an instrument employing reflected ultrasonic waves to examine the structures and functioning of the heart.
- ectoparasiticide — Any pesticide designed to kill parasites that live on the exterior of a host.
- educational park — a group of elementary and high schools, usually clustered in a parklike setting and having certain facilities shared by all grades, that often accommodates students from a large area.
- fair-trade price — the price set for a commodity by the Fairtrade Foundation
- federalist party — a political group that favored the adoption by the states of the Constitution.
- firework display — a public event at which fireworks are set alight
- fringed polygala — a North American milkwort, Polygala paucifolia, having flowers with purplish-pink, winglike petals and a fringed tube.
- garbage disposal — A garbage disposal or a garbage disposal unit is a small machine in the kitchen sink that breaks down waste matter so that it does not block the sink.
- gasoline-powered — using gasoline as fuel
- gender dysphoria — a psychological condition marked by significant emotional distress and impairment in life functioning, caused by a lack of congruence between gender identity and biological sex assigned at birth.
- gingerbread palm — doom palm.
- gingerbread plum — a tree, Neocarya macrophylla, of western Africa, bearing a large, edible, starchy fruit.
- grade separation — separation of the levels at which roads, railroads, paths, etc., cross one another in order to prevent conflicting rows of traffic or the possibility of accidents.
- graphic designer — person: commercial artist
- graphics adapter — graphics adaptor
- great depression — the economic crisis and period of low business activity in the U.S. and other countries, roughly beginning with the stock-market crash in October, 1929, and continuing through most of the 1930s.
- hairy woodpecker — a North American woodpecker, Picoides villosus, resembling but larger than the downy woodpecker.
- half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.