17-letter words containing r, d, a
- greenland halibut — a flatfish, Reinhardtius hippoglossoides, similar and related to the halibut
- greensand process — a process for casting iron with sand not previously heated.
- grey-faced petrel — a dark-coloured New Zealand petrel, Pterodroma macroptera gouldi
- grid merchandiser — A grid merchandiser is a lightweight, free-standing, flexible fixture made up of moveable grids of wire and used by retailers can display large volumes of merchandise in a small space.
- grignard reaction — the reaction of a Grignard reagent with any of the numerous types of compounds with which it can combine, as alcohols, acids, aldehydes, ketones, or esters: used chiefly in organic synthesis.
- grooved fricative — a fricative, as (s), in which air is channeled through a groove along the center of the tongue.
- gross value added — the aggregate of values added throughout an economy, which represents that economy's gross domestic product
- ground angle shot — a photograph or film shot in which the lens is near the ground, usually pointing up somewhat
- guardhouse lawyer — a person in military service, especially an inmate of a guardhouse or brig, who is or claims to be an authority on military law, regulations, and soldiers' rights.
- guardian ad litem — a person appointed by a court as guardian of an infant or other person to act on his or her behalf in a particular action or proceeding.
- gulf war syndrome — a group of symptoms occurring in some Gulf War veterans, most commonly including headache and memory loss, muscle pain, skin disorders, fatigue, sleep disturbances, and gastrointestinal and respiratory ailments, possibly caused by exposure to chemical weapons, vaccines, infectious diseases, or other factors.
- gustavo a. madero — official name of Guadalupe Hidalgo.
- haemorrhoidectomy — surgical removal of haemorrhoids
- hairy-tailed mole — a blackish North American mole, Parascalops breweri, having a short, hairy tail.
- half-breadth plan — a diagrammatic plan of one half of the hull of a vessel divided lengthwise amidships, showing water lines, stations, diagonals, and bow and buttock lines.
- half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
- hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
- hammer and sickle — the emblem of the Soviet Union, adopted in 1923 and consisting of an insignia of a hammer with its handle across the blade of a sickle and a star above.
- hammered dulcimer — dulcimer (sense 1)
- handicap register — a list of the disabled people in its area that a local authority had a duty to compile under the Chronically Sick and Disabled Persons Act 1970
- hard nut to crack — a dry fruit consisting of an edible kernel or meat enclosed in a woody or leathery shell.
- hard rock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- hard-shelled clam — quahog
- hard-shelled crab — a crab, esp. an edible sea crab, before it has shed its hard shell
- hardware platform — a group of compatible computers that can run the same software.
- hardware register — (hardware, system administration) (Or "hardware log") A list of all hardware, both internal and external, that is attached to a particular computer.
- haroun-al-raschid — Harun al-Rashid.
- have no words for — to be incapable of describing
- hawking radiation — the emission of particles by a black hole. Pairs of virtual particles in the intense gravitational field around a black hole may live long enough for one to move outward when the other is pulled into the black hole, making it appear that the black hole is emitting radiation
- head of the river — any of various annual rowing regattas held on particular rivers
- headline-grabbing — A headline-grabbing statement or activity is one that is intended to attract a lot of attention, especially from the media.
- heart of darkness — a short novel (1902) by Joseph Conrad.
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- herbaceous border — A herbaceous border is a flower bed containing a mixture of plants that flower every year.
- heritage industry — an industry that manages the historical sites, buildings, and museums in a particular place, with the aim of encouraging tourism
- hermaphrodite rig — jackass rig.
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- hiring and firing — the authority to hire or fire staff, or the act of doing this
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- hit over the head — to strike on the head
- hoare powerdomain — powerdomain
- hold one's breath — If you say that someone is holding their breath, you mean that they are waiting anxiously or excitedly for something to happen.
- hold sb to ransom — If you say that someone is holding you to ransom in British English, or holding you for ransom in American English, you mean that they are using their power to try to force you to do something which you do not want to do.
- holding operation — a plan or procedure devised to prolong the existing situation
- homeland security — national defence
- horseradish sauce — a piquant sauce made from horseradish root, vinegar, etc, and traditionally eaten in Britain with roast beef
- hot-and-sour soup — a spicy Chinese soup made with pork, chicken, beans, vinegar, etc., served hot
- hottentot's bread — elephant's-foot.
- household cavalry — (in Britain) cavalry units forming part of the ceremonial guard of the monarch.
- humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.