12-letter words containing d, u, a
- nonnucleated — having no nucleus
- nonqualified — unqualified (def 1).
- nonredundant — not redundant
- nonregulated — Alternative spelling of non-regulated.
- nootka sound — an inlet of the Pacific Ocean, inside Nootka Island on the W coast of Vancouver Island, SW British Columbia, Canada.
- noun adjunct — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
- nucleic acid — any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides.
- nucleocapsid — the nucleic acid core and surrounding capsid of a virus; the basic viral structure.
- nucleosidase — any of the class of enzymes that catalyze the hydrolysis of nucleosides.
- nucleotidase — a biochemical catalyst that facilitates the process of hydrolyzing or splitting a nucleotide and turning it into a phosphate and a nucleoside
- nudum pactum — a simple contract or promise involving no legal considerations.
- nuee ardente — (in a volcanic eruption) a swiftly flowing, dense cloud of hot gases, ashes, and lava fragments.
- nuevo laredo — a city in NE Mexico, on the Rio Grande opposite Laredo, Texas.
- nulligravida — A female who has never been pregnant.
- nuri as-said — 1888–1958, Iraqi soldier and statesman: prime minister of Iraq 14 times between 1930 and 1958: he died during a military coup
- nurse's aide — a person who assists professional nurses, as in a hospital, by performing such routine tasks as making beds and serving meals.
- nurserymaids — Plural form of nurserymaid.
- obdurateness — The characteristic of being obdurate; stubbornness.
- oboe d'amour — an oboe with a bulb-shaped bell that is pitched a minor third below the range of the conventional oboe and was much used in music of the Baroque period.
- oda nobunaga — 1534–82, Japanese general and feudal leader, who unified much of Japan under his control: assassinated
- odd-man rush — an attacking move when the defence is outnumbered by the opposing team
- odontomatous — relating to an odontoma
- old faithful — one of the best known geysers of Yellowstone National Park.
- old guardism — political conservatism.
- old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
- opium addict — someone who is addicted to the dried juice extracted from the unripe seed capsules of the opium poppy
- 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.
- order around — be bossy towards
- out and away — away from, or not in, the normal or usual place, position, state, etc.: out of alphabetical order; to go out to dinner.
- outdatedness — the state of being outdated
- outdistanced — Simple past tense and past participle of outdistance.
- outdistances — Third-person singular simple present indicative form of outdistance.
- outgeneraled — Simple past tense and past participle of outgeneral.
- outlandishly — In an outlandish manner.
- outside lane — the lane on a motorway where overtaking of other vehicles is permitted and vehicles can travel fastest
- outsider art — art produced by untutored artists working by themselves and for themselves
- outspreading — Present participle of outspread.
- outstandings — Outstanding amounts; unpaid debts.
- overabundant — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overeducated — Having been educated to a higher academic level than is necessary.
- overfatigued — excessively fatigued
- overpersuade — to persuade (a person) against his or her inclination or intention: By threats and taunts they had overpersuaded him to steal the car.
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- packed lunch — A packed lunch is food, for example sandwiches, which you take to work, to school, or on a trip and eat as your lunch.
- palace guard — the security force protecting a palace.
- paludamentum — a cloak worn by officials and military officers of ancient Rome, especially during wartime.
- paludicolous — inhabiting marshland
- pandanaceous — of, relating to, or belonging to the Pandanaceae, an Old World tropical family of monocotyledonous plants including the screw pines
- papadopoulos — George, 1919–99, Greek military leader and dictator (1967–74).