12-letter words containing a, d, r, e
- holidaymaker — vacationer.
- home address — the address of one's house or flat
- 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.
- homesteaders — Plural form of homesteader.
- honey badger — ratel.
- horatian ode — an ode consisting of several stanzas all of the same form.
- horse around — a large, solid-hoofed, herbivorous quadruped, Equus caballus, domesticated since prehistoric times, bred in a number of varieties, and used for carrying or pulling loads, for riding, and for racing.
- horse guards — the mounted squadrons supplied by the Household Cavalry for ceremonial duties
- horse trader — a person who is shrewd and clever at bargaining.
- horse-dealer — a person who buys and sells horses as a profession
- horse-trader — a person who buys and sells horses
- house wizard — (Probably from ad-agency tradetalk, "house freak") A hacker occupying a technical-specialist, R&D, or systems position at a commercial shop. A really effective house wizard can have influence out of all proportion to his/her ostensible rank and still not have to wear a suit. Used especially of Unix wizards. The term "house guru" is equivalent.
- housetrained — Simple past tense and past participle of housetrain.
- 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.
- 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.
- 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.
- hydrolysable — Alternative spelling of hydrolyzable.
- hydrolysates — Plural form of hydrolysate.
- hydrolyzable — Able to be hydrolyzed.
- hydromedusae — Irregular plural form of hydromedusa.
- 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.
- hydroxylated — Simple past tense and past participle of hydroxylate.
- hyperacidity — excessive acidity, as of the gastric juice.
- hyperdactyly — the presence of extra fingers or toes.
- hyperdynamic — (physiology) Describing an increase in both blood pressure and pulse pressure.
- hypermediacy — Hypermedia literacy; the state of being conversant with hypermedia technologies.
- icbm address — (networking, humour) (Or "missile address") The form used to register a site with the Usenet mapping project includes a space for longitude and latitude, preferably to seconds-of-arc accuracy. This is actually used for generating geographically-correct maps of Usenet links on a plotter; however, it has become traditional to refer to this as one's "ICBM address" or "missile address", and many people include it in their sig block with that name. (A real missile address would include target altitude.)
- iceland spar — a transparent variety of calcite that is double-refracting and is used as a polarizer.
- icosahedrons — Plural form of icosahedron.
- idea hamster — a person who is employed as a source of new ideas
- ill-assorted — badly matched; incompatible
- ill-favoured — unpleasant in appearance; homely or ugly.
- ill-mannered — having bad or poor manners; impolite; discourteous; rude.
- ill-prepared — badly or inadequately prepared or trained: ill-prepared job applicants; The hotel was ill-prepared for so many guests.
- immoderately — In an immoderate manner.
- immoderation — lack of moderation.
- immortalised — to bestow unending fame upon; perpetuate.
- immortalized — to bestow unending fame upon; perpetuate.