16-letter words containing r, a, d, i, o, s
- 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.
- grand inquisitor — (often initial capital letters) the presiding officer of a court of inquisition.
- graphics adaptor — (hardware, graphics) (Or "graphics adapter", "graphics card", "video adaptor", etc.) A circuit board fitted to a computer, especially an IBM PC, containing the necessary video memory and other electronics to provide a bitmap display. Adaptors vary in the resolution (number of pixels) and number of colours they can display, and in the refresh rate they support. These parameters are also limited by the monitor to which the adaptor is connected. A number of such display standards, e.g. SVGA, have become common and different software requires or supports different sets.
- 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.
- gynandromorphism — an individual exhibiting morphological characteristics of both sexes.
- hard times token — any of a series of U.S. copper tokens, issued 1834–41, bearing a political inscription or advertising message and serving as currency during coin shortages.
- homme d'affaires — a businessman.
- hookworm disease — any of certain bloodsucking nematode worms, as Ancylostoma duodenale and Necator americanus, parasitic in the intestine of humans and other animals.
- horizon distance — Television. the distance of the farthest point on the earth's surface visible from a transmitting antenna.
- horseback riding — activity: riding a horse
- horseradish tree — a tropical tree, Moringa pterygosperma, having fragrant white flowers and seeds yielding a commercially useful oil.
- hydrostatic head — The hydrostatic head is the vertical height of a column of fluid.
- hyperandrogenism — (medicine) An abnormally high production of androgens.
- hyponitrous acid — an unstable, crystalline acid, H 2 N 2 O 2 .
- icositetrahedron — a solid figure having 24 faces.
- immunodepressant — preventing or diminishing the immune response
- 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.
- indiscrimination — an act or instance of not discriminating.
- indo-europeanist — a linguist specializing in the study, especially the comparative study, of the Indo-European languages.
- industrial union — a labor union composed of workers in various trades and crafts within one industry.
- information desk — helpdesk, information point
- inter-divisional — the act or process of dividing; state of being divided.
- interdimensional — Between dimensions.
- intravenous drip — the continuous, slow introduction of a fluid into a vein of the body. Abbreviation: IV.
- isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
- judaeo-christian — of or relating to the religious writings, beliefs, values, or traditions held in common by Judaism and Christianity.
- jurisdictionally — In a jurisdictional way.
- kingdom of arles — a kingdom in SE France which had dissolved by 1378: known as the Kingdom of Burgundy until about 1200
- kurdaitcha shoes — (in certain Central Australian Aboriginal tribes) the emu-feather shoes worn by the kurdaitcha on his mission so that his footsteps may not be traced
- ladies'-eardrops — lady's-earrings.
- latissimus dorsi — a broad, flat muscle on each side of the midback, the action of which draws the arm backward and downward and rotates the front of the arm toward the body.
- lord howe island — an island in the S Pacific, E of Australia: a dependency of New South Wales. 5 sq. mi. (13 sq. km).
- lords-and-ladies — (used with a singular verb) cuckoopint.
- mail-order house — a retail firm that conducts its business by receiving orders and shipping its merchandise through the mail and that supplies its customers with catalogs, circulars, etc.
- manic depression — bipolar disorder.
- mass destruction — devastation on a large scale
- medieval cornish — the Cornish language of the Middle Ages, usually dated from the 14th century to 1600.
- medieval history — the branch of history dealing with the Middle Ages
- menstrual period — the bleeding from the womb that occurs approximately monthly in nonpregnant women of reproductive age
- midair collision — a crash, such as a plane crash, that takes place in the air
- mineral deposits — amounts of minerals that occur naturally in particular areas
- missionary ridge — a ridge in NW Georgia and SE Tennessee: Civil War battle 1863.
- modified-release — denoting a formulation of a medicinal drug taken orally that releases the active ingredients over several hours, in order to maintain a relatively constant plasma concentration of the drug
- mothering sunday — Laetare Sunday.
- musical director — A musical director is the same as a music director.
- narrowmindedness — Alternative spelling of narrow-mindedness.
- nine-days wonder — something that arouses great interest, but only for a short period
- nitrogen mustard — any of the class of poisonous, blistering compounds, as C 5 H 1 1 Cl 2 N, analogous in composition to mustard gas but containing nitrogen instead of sulfur: used in the treatment of cancer and similar diseases; mechlorethamine.
- no fixed address — Someone who is of no fixed address does not have a permanent place to live.