17-letter words containing h, r, a, d
- rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
- rhode island bent — a European pasture grass, Agrostis tenuis, naturalized in North America, having red flower clusters.
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- richard arkwright — Sir Richard, 1732–92, English inventor of the spinning jenny.
- right in the head — sane
- rough-legged hawk — a large hawk, Buteo lagopus, of the Northern Hemisphere, that feeds chiefly on small rodents.
- rubarth's disease — a common, rapidly progressing viral hepatitis of dogs and other carnivores, often confused with canine distemper.
- russian wolfhound — borzoi.
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- sandringham house — a residence of the royal family, in Sandringham, a village in E England, in Norfolk near the E shore of the Wash
- scattered showers — showers that are scattered across an area, or that occur at intervals throughout the day
- school playground — school's outdoor recreation area
- schwedler's maple — a variety of the Norway maple, Acer platanoides schwedleri, producing red leaves that subsequently turn green.
- search and rescue — Search and rescue operations involve looking for people who are lost or in danger, for example, after a war or a natural disaster, and bringing them back safely.
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
- shetland pullover — a thick woollen sweater made from Shetland wool
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
- simulated leather — fake leather that is an imitation of real leather and is usually made from a cheaper material
- sinbad the sailor — a merchant in The Arabian Nights who makes seven adventurous voyages
- sir arthur harden — Sir Arthur, 1865–1940, English biochemist: Nobel Prize 1929.
- smarandache logic — neutrosophic logic
- sodium bichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- sodium dichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- south farmingdale — a town on central Long Island, in SE New York.
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).
- southern sporades — a group of Greek islands in the Aegean, including the Dodecanese, lying off the SW coast of Turkey
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- square-shouldered — having the shoulders held back, giving a straight form to the upper part of the back.
- stage-door johnny — a man who often goes to a theater or waits at a stage door to court an actress.
- stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
- statutory holiday — a public holiday; a holiday all workers are entitled to
- straw in the wind — If you say that an incident or piece of news is a straw in the wind, you mean that it gives an indication of what might happen in the future.
- stymphalian birds — a flock of predacious birds of Arcadia that were driven away and killed by Hercules as one of his labors.
- sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
- sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
- teacher education — training to become a teacher, usually at an institution of higher education
- technical drawing — the study and practice, esp as a subject taught in school, of the basic techniques of draughtsmanship, as employed in mechanical drawing, architecture, etc
- terephthalic acid — a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
- the confederation — the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789
- the driver's seat — the position of control or dominance
- the evil day/hour — If someone is putting off the evil day or the evil hour, they have to do something unpleasant and are trying to avoid doing it for as long as possible.
- the faint-hearted — people of a nervous disposition
- the last sb heard — You can use expressions such as the last I heard and the last she heard to introduce a piece of information that is the most recent that you have on a particular subject.
- the lord's prayer — the, the prayer given by Jesus to His disciples, and beginning with the words Our Father. Matt. 6:9–13; Luke 11:2–4.
- the silken ladder — a one-act opera by Rossini, telling the story of Giulia, who is secretly married to Dorvil; he visits her bedroom every night by climbing up a ladder made of silk. Giulia's guardian, Dormont, expects her to marry Blansac, but she introduces Blansac to her cousin Lucilla; after much confusion, the two couples are joyfully united
- the tabloid press — (considered as a whole) newspapers with pages about 30 cm (12 inches) by 40 cm (16 inches), usually characterized by an emphasis on photographs and a concise and often sensational style
- therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- thermal radiation — electromagnetic radiation emitted by all matter above a temperature of absolute zero because of the thermal motion of atomic particles.