12-letter words containing u, n, d, o
- ground level — ground state.
- ground plane — (in perspective drawing) the theoretical horizontal plane receding from the picture plane to the horizon, beginning at the level of the base line.
- ground plate — Electricity. a metal plate for making a ground connection to the earth.
- ground robin — towhee.
- ground rules — Usually, ground rules. basic or governing principles of conduct in any situation or field of endeavor: the ground rules of press conferences.
- ground shark — any of various requiem sharks, especially of the genus Carcharhinus.
- 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.
- ground staff — The people who are paid to maintain a sports ground are called the ground staff.
- ground state — the state of least energy of a particle, as an atom, or of a system of particles.
- ground track — the path on the earth's surface below an aircraft, missile, rocket, or spacecraft.
- ground water — the water beneath the surface of the ground, consisting largely of surface water that has seeped down: the source of water in springs and wells.
- groundbursts — Plural form of groundburst.
- groundedness — the solid surface of the earth; firm or dry land: to fall to the ground.
- groundkeeper — groundskeeper.
- groundlessly — In a groundless manner; without justification.
- groundsheets — Plural form of groundsheet.
- groundstroke — A stroke played after the ball has bounced, as opposed to a volley.
- groundworker — One who works on the ground, as opposed to an aviator, etc.
- gulf of aden — a waterway in the Arabian sea between Yemen and Somalia and connecting with the Red Sea
- hadrosaurine — Hadrosaurid.
- hebetudinous — the state of being dull; lethargy.
- hemodilution — a decreased concentration of cells and solids in blood, usually caused by an influx of fluid.
- hologonidium — soredium.
- homebuilding — the designing or constructing of houses.
- homodynamous — (biology) Pertaining to, or involving, homodynamy.
- 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.
- 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.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- 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.
- ibizan hound — one of a breed of medium-sized, tall, swift hunting hounds with a short, usually red and white coat, bred originally by the Pharaohs of ancient Egypt but today found chiefly in the Balearic Islands and other areas of Spain.
- ibm discount — A price increase. Outside IBM, this derives from the common perception that IBM products are generally overpriced (see clone); inside, it is said to spring from a belief that large numbers of IBM employees living in an area cause prices to rise.
- impoundments — Plural form of impoundment.
- in our midst — among us
- in the round — having a flat, circular surface, as a disk.
- in-and-outer — a person who is by turns in and out of a particular situation, condition, venture, investment, etc.
- incommodious — inconvenient, as not affording sufficient space or room; uncomfortable: incommodious hotel accommodations.
- inconcluding — (obsolete) Inferring no consequence.
- indecorously — not decorous; violating generally accepted standards of good taste or propriety; unseemly.
- indigenously — originating in and characteristic of a particular region or country; native (often followed by to): the plants indigenous to Canada; the indigenous peoples of southern Africa.
- indissoluble — not dissoluble; incapable of being dissolved, decomposed, undone, or destroyed.
- indissolubly — not dissoluble; incapable of being dissolved, decomposed, undone, or destroyed.
- indologenous — producing or causing the production of indole.
- infraduction — (medicine) The turning downward of a part, especially of the eye.