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12-letter words containing r, e, h, y, d

  • henry howardEarl of (Henry Howard) 1517?–47, English poet.
  • heptahydrate — a hydrate that contains seven molecules of water, as magnesium sulfate, MgSO 4 ⋅7H 2 O.
  • heraldically — of, relating to, or characteristic of heralds or heraldry: heraldic form; heraldic images; heraldic history; a heraldic device.
  • herbicidally — from a herbicidal point of view
  • hereditarily — passing, or capable of passing, naturally from parent to offspring through the genes: Blue eyes are hereditary in our family. Compare congenital.
  • heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
  • heterodyning — Present participle of heterodyne.
  • heteroploidy — (genetics) The state of being heteroploid.
  • heterostyled — (of a plant) having styles of different forms or lengths in the flowers.
  • hexahydrates — Plural form of hexahydrate.
  • highly rated — generally considered to be of high quality
  • hoary-headed — having the gray or white hair of advanced age.
  • holidaymaker — vacationer.
  • home and dry — If you say that someone is, in British English home and dry, or in American English home free, you mean that they have been successful or that they are certain to be successful.
  • honey badger — ratel.
  • horned poppy — any of several Eurasian papaveraceous plants of the genera Glaucium and Roemeria, having large brightly coloured flowers and long curved seed capsules
  • horrendously — shockingly dreadful; horrible: a horrendous crime.
  • how dare you — You say 'how dare you' when you are very shocked and angry about something that someone has done.
  • hundred days — the period from March 20 to June 28, 1815, between the arrival of Napoleon in Paris, after his escape from Elba, and his abdication after the battle of Waterloo.
  • hydnocarpate — a salt or ester of hydnocarpic acid.
  • hydra-headed — containing many problems, difficulties, or obstacles.
  • hydrastinine — a white, crystalline, poisonous alkaloid, C 11 H 13 NO 3 , synthesized from hydrastine: used to arrest bleeding, especially in the uterus.
  • hydraulicked — (of an extracted mineral) excavated using water
  • hydrobromate — (chemistry) hydrobromide.
  • hydrobromide — a salt formed by the direct union of hydrobromic acid and an organic base, especially an alkaloid, usually more soluble than the base.
  • hydrocephaly — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
  • hydrocracker — a high-pressure processing unit used for hydrocracking.
  • hydroculture — A type of hydroponics in which plants are grown in a medium that allows the distribution of water and nutrients through capillary action.
  • hydrocyclone — A hydrocyclone is a vessel used for separating two liquids with different densities, by the circular movement of fluid.
  • hydroecology — The study of support systems in wetlands such as the interactions between water and wildlife habitats.
  • hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
  • hydrogen ion — ionized hydrogen of the form H + , found in aqueous solutions of all acids.
  • hydrogenated — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
  • hydrogenates — Third-person singular simple present indicative form of hydrogenate.
  • hydrogenized — Simple past tense and past participle of hydrogenize.
  • hydrogeology — the science dealing with the occurrence and distribution of underground water.
  • hydrographer — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
  • hydrokinesis — (science fiction): The psychic ability to manipulate or control water.
  • hydrokinetic — pertaining to the motion of liquids.
  • hydrolysable — Alternative spelling of hydrolyzable.
  • hydrolysates — Plural form of hydrolysate.
  • hydrolyzable — Able to be hydrolyzed.
  • hydromedusae — Irregular plural form of hydromedusa.
  • hydrometeors — Plural form of hydrometeor.
  • hydrophilite — a white mineral consisting of potassium and calcium
  • hydroquinone — a white, crystalline compound, C 6 H 6 O 2 , formed by the reduction of quinone: used chiefly in photography and to inhibit autoxidation reactions.
  • hydrosulfate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
  • hydrosulfide — a compound containing the univalent group –HS.
  • hydrosulfite — hyposulfite (def 1).
  • hydrotherapy — the branch of therapeutics that deals with the curative use of water.
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