12-letter words containing o, n, d
- heptahedrons — Plural form of heptahedron.
- here and now — in this place; in this spot or locality (opposed to there): Put the pen here.
- herringboned — Simple past tense and past participle of herringbone.
- heterodyning — Present participle of heterodyne.
- hexadecanoic — Of or pertaining to hexadecanoic acid or its derivatives.
- high and low — having a great or considerable extent or reach upward or vertically; lofty; tall: a high wall.
- high command — the leadership or highest authority of a military command or other organization.
- hindforemost — with the back part in the front place
- hippodroming — (baseball) present participle of hippodrome; Staging games to suit gamblers, especially baseball.
- hold against — resent sb for sth
- holding tank — a tank for the temporary storage of a substance.
- hollingshead — Holinshed.
- hollywoodian — a person who works for the motion-picture industry located in Hollywood, Calif.
- hologonidium — soredium.
- 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.
- homebuilding — the designing or constructing of houses.
- homesteading — a dwelling with its land and buildings, occupied by the owner as a home and exempted by a homestead law from seizure or sale for debt.
- homodynamous — (biology) Pertaining to, or involving, homodynamy.
- honey badger — ratel.
- honour-bound — morally obliged
- hood molding — a molding or dripstone over a door or window.
- hook and eye — a two-piece clothes fastener, usually of metal, consisting of a hook that catches onto a loop or bar.
- hope diamond — a sapphire-blue Indian diamond, the largest blue diamond in the world, weighing 44.5 carats and supposedly cut from a bigger diamond that was once part of the French crown jewels: now in the Smithsonian Institution.
- horatian ode — an ode consisting of several stanzas all of the same form.
- horned poppy — any of several Eurasian papaveraceous plants of the genera Glaucium and Roemeria, having large brightly coloured flowers and long curved seed capsules
- horned viper — a highly venomous viper, Cerastes cerastes, of northern Africa and extreme southwestern Asia, having a process resembling a horn just above each eye.
- horned whiff — any of several flatfishes having both eyes on the left side of the head, of the genus Citharichthys, as C. cornutus (horned whiff) inhabiting Atlantic waters from New England to Brazil.
- hornswoggled — Simple past tense and past participle of hornswoggle.
- 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 riding — activity: riding on a horse
- househusband — a man whose spouse works and who stays home to manage their household.
- housetrained — Simple past tense and past participle of housetrain.
- hudson river — Henry, died 1611? English navigator and explorer.
- huffman code — Huffman coding
- human comedy — French La Comédie Humaine. a collected edition of tales and novels in 17 volumes (1842–48) by Honoré de Balzac.
- hunting dogs — the constellation Canes Venatici.
- hydnocarpate — a salt or ester of hydnocarpic acid.
- 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 .
- hydrocooling — the process or technique of arresting the ripening of fruits and vegetables after harvesting by immersion in ice water.
- hydrocyclone — A hydrocyclone is a vessel used for separating two liquids with different densities, by the circular movement of fluid.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydroforming — the production of high-octane aromatic compounds for motor fuels by catalytic reforming of naphthas in the presence of hydrogen.
- 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.
- hydrokinesis — (science fiction): The psychic ability to manipulate or control water.
- hydrokinetic — pertaining to the motion of liquids.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.