12-letter words containing d, a, y, o
- hard done by — If you feel hard done by, you feel that you have not been treated fairly.
- headstrongly — In a headstrong manner.
- heavy-footed — clumsy or ponderous, as in movement or expressiveness: music that is heavy-footed and uninspired.
- hebdomadally — taking place, coming together, or published once every seven days; weekly: hebdomadal meetings; hebdomadal groups; hebdomadal journals.
- hemodialyses — Plural form of hemodialysis.
- hemodialysis — dialysis of the blood, especially with an artificial kidney, for the removal of waste products.
- hemodialyzer — artificial kidney.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- henry howard — Earl of (Henry Howard) 1517?–47, English poet.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- hidrocystoma — An adenoma of the sweat glands.
- highway code — In Britain, the Highway Code is an official book published by the Department of Transport, which contains the rules which tell people how to use public roads safely.
- hoary-headed — having the gray or white hair of advanced age.
- holiday camp — In Britain, a holiday camp is a place which provides holiday accommodation and entertainment for large numbers of people.
- holiday home — a home that people own in order to holiday in and that is in a different location to the home they usually live in
- holidaymaker — vacationer.
- hollywoodian — a person who works for the motion-picture industry located in Hollywood, Calif.
- 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.
- homodynamous — (biology) Pertaining to, or involving, homodynamy.
- honey badger — ratel.
- hook and eye — a two-piece clothes fastener, usually of metal, consisting of a hook that catches onto a loop or bar.
- how dare you — You say 'how dare you' when you are very shocked and angry about something that someone has done.
- human comedy — French La Comédie Humaine. a collected edition of tales and novels in 17 volumes (1842–48) by Honoré de Balzac.
- humboldt bay — an inlet of the Pacific Ocean in NW California.
- hydatidiform — like or resembling a hydatid
- hydnocarpate — a salt or ester of hydnocarpic acid.
- hydrobromate — (chemistry) hydrobromide.
- hydrocarbons — any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , an alkene, ethylene, C 2 H 4 , an alkyne, acetylene, C 2 H 2 , or an aromatic compound, benzene, C 6 H 6 .
- 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.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- 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.
- hydrographer — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
- hydrographic — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
- hydrological — the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
- hydrolysable — Alternative spelling of hydrolyzable.
- hydrolysates — Plural form of hydrolysate.
- hydrolyzable — Able to be hydrolyzed.
- hydromedusae — Irregular plural form of hydromedusa.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydronically — in a hydronic manner; in a manner relating to a heating system that uses water
- hydroplaning — a seaplane.
- hydrosalpinx — A distally blocked Fallopian tube filled with serous or clear fluid.
- hydrostatics — the branch of hydrodynamics that deals with the statics of fluids, usually confined to the equilibrium and pressure of liquids.
- 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.
- hydrotherapy — the branch of therapeutics that deals with the curative use of water.
- hydrothermal — noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth.
- hydroxy acid — an organic acid containing both a carboxyl and a hydroxyl group.