16-letter words containing d, r, y, n
- french directory — the body of five directors in power in France from 1795 until their overthrow by Napoleon in 1799
- friendly islands — Tonga
- friendly society — law: mutual group providing benefits
- fringed polygala — a North American milkwort, Polygala paucifolia, having flowers with purplish-pink, winglike petals and a fringed tube.
- 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.
- general delivery — a postal service that delivers mail to a specific post office where it is held for pickup by the addressee.
- gravity decanter — A gravity decanter is a vessel or stage in which two liquids of different densities are allowed to separate by gravity.
- greyhound racing — a sport in which a mechanically propelled dummy hare is pursued by greyhounds around a race track
- grind your teeth — If you grind your teeth, you rub your upper and lower teeth together as though you are chewing something.
- gynandromorphism — an individual exhibiting morphological characteristics of both sexes.
- gynandromorphous — an individual exhibiting morphological characteristics of both sexes.
- hamadryas baboon — a baboon, Papio (Comopithecus) hamadryas, of Ethiopia, the male of which has a mantle of long, dark hair about the head and shoulders: held sacred by the ancient Egyptians.
- hay-scented fern — a fern, Dennstaedtia punctilobula, of eastern North America, having brittle, yellow-green fronds.
- hearsay evidence — testimony based on what a witness has heard from another person rather than on direct personal knowledge or experience.
- hexahydroaniline — cyclohexylamine.
- hexahydrobenzene — cyclohexane.
- honeymoon bridge — any of several varieties of bridge for two players.
- honeymoon period — a period of popularity enjoyed by a new government, or a new occupant of a post
- hundred-year-old — of one hundred years of age
- hyaloid membrane — the delicate, pellucid, and nearly structureless membrane enclosing the vitreous humor of the eye.
- hydnocarpic acid — an acid, C 16 H 28 O 2 , obtained from chaulmoogra oil, and used in the treatment of leprosy.
- hydrated alumina — a crystalline, water-insoluble powder, Al(OH) 3 or Al 2 O 3 ⋅3H 2 O, obtained chiefly from bauxite: used in the manufacture of glass, ceramics, and printing inks, in dyeing, and in medicine as an antacid and in the treatment of ulcers.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hydraulic cement — cement that can solidify under water.
- hydraulic mining — placer mining using a pressurized stream of water.
- hydrocyanic acid — a colorless, highly poisonous liquid, HCN, an aqueous solution of hydrogen cyanide.
- hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
- hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
- hydrogen bromide — a colorless gas, HBr, having a pungent odor: the anhydride of hydrobromic acid.
- hydrogen cyanide — a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid.
- hydrogen sulfide — a colorless, flammable, water-soluble, cumulatively poisonous gas, H 2 S, having the odor of rotten eggs: used chiefly in the manufacture of chemicals, in metallurgy, and as a reagent in laboratory analysis.
- hydroxylammonium — (inorganic compound) The univalent NH3OH+ cation, derived from hydroxylamine.
- hyperandrogenism — (medicine) An abnormally high production of androgens.
- hyponitrous acid — an unstable, crystalline acid, H 2 N 2 O 2 .
- immunomodulatory — (medical) Having the ability to alter or regulate immune functions.
- implied warranty — a warranty not stated explicitly by the seller of merchandise or real property but presumed for reasons of commercial or legal custom (distinguished from express warranty).
- in a brown study — in a reverie or daydream
- in so many words — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- inauguration day — the day on which the president of the United States is inaugurated, being January 20 of every year following a year whose number is divisible by four. Prior to the Twentieth Amendment to the Constitution (ratified February 6, 1933), it was March 4.
- inclined railway — a cable railway used on particularly steep inclines unsuitable for normal adhesion locomotives
- indecency charge — an accusation of committing indecency
- indescribability — (uncountable) The state or characteristic of being indescribable.
- indian territory — a former territory of the U.S.: now in E Oklahoma. About 31,000 sq. mi. (80,000 sq. km).
- indirect primary — a primary in which members of a party elect delegates to a party convention that in turn elects the party's candidates.
- indiscernibility — The state or characteristic of being indiscernible; inability to be observed.
- indiscriminantly — Misspelling of indiscriminately.
- indiscriminately — not discriminating; lacking in care, judgment, selectivity, etc.: indiscriminate in one's friendships.
- interdependently — mutually dependent; depending on each other.
- judicial inquiry — a formal legal investigation conducted into a matter of public concern by a judge, appointed by the government
- jurisdictionally — In a jurisdictional way.