12-letter words containing un
- funnel cloud — a rapidly rotating funnel-shaped cloud extending downward from the base of a cumulonimbus cloud, which, if it touches the surface of the earth, is a tornado or waterspout.
- funny papers — funny1 (def 7b).
- furunculosis — the condition characterized by the presence of boils.
- gap junction — a linkage of two adjacent cells consisting of a system of channels extending across a gap from one cell to the other, allowing the passage of ions and small molecules.
- get a bun on — to become drunk
- get round to — find time
- go the round — to be circulated among a number of people: said of a story, rumor, etc.
- go to ground — hide, be reclusive
- grand rounds — a formal hospital meeting at which physicians discuss interesting medical cases.
- great sunday — Easter Sunday.
- ground alert — the state of waiting for orders in or near combat airplanes ready to take to the air at once.
- ground cable — a heavy chain for securing permanent floating moorings, as a number of mooring buoys.
- ground cedar — a ground pine, Lycopodium complanatum.
- ground cloth — groundsheet.
- ground color — Also called ground coat. a primary coat of paint; priming; base coat.
- ground cover — the herbaceous plants and low shrubs in a forest, considered as a whole.
- ground fault — the momentary, usually accidental, grounding of a conducting wire.
- ground floor — the floor of a building at or nearest to ground level.
- ground force — a military force that operates on the ground
- ground frost — the condition resulting from a temperature reading of 0°C or below on a thermometer in contact with a grass surface
- ground glass — Optics. glass that has had its polished surface removed by fine grinding and that is used to diffuse light.
- 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.
- gun carriage — the structure on which a gun is mounted or moved and from which it is fired.
- hand-launder — hand-wash.
- hand-running — in unbroken succession; consecutively.
- head-hunting — a headhunting expedition: The men left the village to go on a headhunt.
- herpetofauna — the reptiles and amphibians that inhabit a given area
- high country — a mountainous area below the timberline; a forested mountain area.
- hill country — hilly area
- home country — the country a person comes from
- honest injun — honestly (used to emphasize the truth of a statement).
- honey fungus — an edible basidiomycetous fungus, Armillaria mellea, having a yellow-spotted cap and wrinkled stems, parasitic on the roots of woody plants, which it may kill by root rot. It spreads by thin black underground strands
- honour-bound — morally obliged