12-letter words containing u, n, d, a, r
- ground cedar — a ground pine, Lycopodium complanatum.
- ground fault — the momentary, usually accidental, grounding of a conducting wire.
- ground glass — Optics. glass that has had its polished surface removed by fine grinding and that is used to diffuse light.
- 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 shark — any of various requiem sharks, especially of the genus Carcharhinus.
- 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.
- guardianista — a reader of the Guardian newspaper, seen as being typically left-wing, liberal, and politically correct
- guardianship — the position and responsibilities of a guardian, especially toward a ward.
- hadrosaurine — Hadrosaurid.
- hand-launder — hand-wash.
- hand-running — in unbroken succession; consecutively.
- hardy annual — a plant that can withstand freezing temperatures and which completes its life cycle within a year
- harlequinade — a pantomime, farce, or similar play in which Harlequin plays the principal part.
- hepadnavirus — Any member of the virus family Hepadnaviridae, capable of causing liver infections in humans and animals.
- hindquarters — the posterior end of a halved carcass of beef, lamb, etc., sectioned usually between the twelfth and thirteenth ribs.
- 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.
- housetrained — Simple past tense and past participle of housetrain.
- 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.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- in-and-outer — a person who is by turns in and out of a particular situation, condition, venture, investment, etc.
- india rubber — rubber1 (def 1).
- induced drag — the drag force generated in the production of lift.
- industrially — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- infraduction — (medicine) The turning downward of a part, especially of the eye.
- infundibular — a funnel-shaped organ or part.
- ingurgitated — Simple past tense and past participle of ingurgitate.
- intermundane — existing in the space between worlds or heavenly bodies: intermundane space.
- intramundane — existing or occurring within the material world.
- iracundulous — easily angered or irritable
- jordan curve — simple closed curve.
- k/t boundary — Cretaceous/Tertiary boundary: the time zone comprising the end of the Cretaceous and the beginning of the Tertiary periods
- kalmar sound — a strait between SE Sweden and Öland Island. 85 miles (137 km) long; 14 miles (23 km) wide.
- kluge around — (jargon) To avoid a bug or difficult condition by inserting a kluge. Compare workaround.
- knock around — to strike a sounding blow with the fist, knuckles, or anything hard, especially on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal: to knock on the door before entering.
- land measure — any system of measurement for measuring land.
- landlubberly — Like a landlubber.
- launderettes — Plural form of launderette.
- laundry list — a lengthy, especially random list of items: a laundry list of hoped-for presents; a laundry list of someone's crimes.
- laundry mark — a symbol on a label on an article of clothing, bed-linen, etc, which specifies how the item should be washed and cared for, for example, at which temperature it should be washed at, whether it should be ironed, dry-cleaned, etc
- laundry room — utility room
- laundrywoman — laundress.
- laundrywomen — Plural form of laundrywoman.
- leatherbound — Bound in leather.
- leonardesque — of, relating to, or suggesting Leonardo da Vinci or the style of his paintings.
- linux loader — (operating system) (LILO) A boot loader for Linux. LILO does not depend on a specific file system, it can boot Linux kernel images from floppy disks and hard disks and can even boot other operating systems. One of up to sixteen differernt images can be selected at boot time. Various parameters, such as the root device, can be set independently for each kernel. LILO can even be used as the master boot record.
- liverpudlian — a seaport in Merseyside, in W England, on the Mersey estuary.