12-letter words containing r, h, o, d, u
- ground sloth — any of various extinct large, edentate mammals from the Pleistocene Epoch of North and South America resembling modern sloths but living on the ground rather than in trees.
- groundsheets — Plural form of groundsheet.
- hadrosaurine — Hadrosaurid.
- harbour dues — the fees or charges paid for using a harbour
- hard-mouthed — of or relating to a horse not sensitive to the pressure of a bit.
- heteroduplex — having polynucleotide strands derived from two different sources
- hexafluoride — a fluoride containing six atoms of fluorine.
- hold out for — to wait patiently or uncompromisingly for (the fulfilment of one's demands)
- homebuilders — Plural form of homebuilder.
- honour-bound — morally obliged
- horrendously — shockingly dreadful; horrible: a horrendous crime.
- 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
- house doctor — a resident physician in a hospital, hotel, or other public institution.
- house spider — any largish dark spider of the genus Tegenaria that is common in houses, such as the cardinal spider
- 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.
- housebuilder — One who builds houses, particularly one who does so professionally.
- housedresses — Plural form of housedress.
- householders — Plural form of householder.
- 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.
- hudson river — Henry, died 1611? English navigator and explorer.
- hydroculture — A type of hydroponics in which plants are grown in a medium that allows the distribution of water and nutrients through capillary action.
- hydrofluoric — of or derived from hydrofluoric acid.
- hydromedusae — Irregular plural form of hydromedusa.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrophilous — pollinated by the agency of water.
- 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).
- idiothermous — warm-blooded
- in the round — having a flat, circular surface, as a disk.
- leatherbound — Bound in leather.
- malnourished — poorly or improperly nourished; suffering from malnutrition: thin, malnourished victims of the famine.
- mooch around — If you mooch around or mooch about a place, you move around there slowly with no particular purpose.
- motormouthed — (of a person) Being a motor mouth; inclined to talk too much.
- mouthbreeder — any of several fishes of the genera Tilapia and Haplochromis, that hatch and care for their young in the mouth.
- mouthbrooder — A freshwater cichlid fish that protects its eggs (and in some cases its young) by carrying them in its mouth.
- naughty word — a word that is considered to be rude
- nonhazardous — Not hazardous; safe.
- odd-man rush — an attacking move when the defence is outnumbered by the opposing team
- orchard bush — open savanna country with occasional trees and scrub, as found north of the W African forest belt
- orchidaceous — belonging to the plant family Orchidaceae.
- orthodonture — orthodontia (def 2).
- outstretched — to stretch forth; extend: to outstretch one's hand in welcome.
- overscutched — overworked; worn out
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- phosphureted — combined with phosphorus, especially in its lowest valence state.
- photoproduct — any product which is produced by a chemical reaction that uses light or other electromagnetic radiation to increase energy of particles