15-letter words containing d, o, a
- nonincorporated — Not incorporated.
- noninsecticidal — absent or free of insecticide
- nonintimidating — not intimidating, free of intimidation
- nonjudgmentally — not judged or judging on the basis of one's personal standards or opinions: They tried to adopt a nonjudgmental attitude that didn't reflect their own biases. My guidance counselor in high school was sympathetic and nonjudgmental.
- nonmatriculated — not matriculated, not enrolled in an institution, esp a college or university
- nonmelodramatic — Not melodramatic.
- nonprecedential — Not precedential.
- nonsedimentable — incapable of being sedimented
- nonslaveholding — Not slaveholding.
- nonstandardized — Unstandardized.
- nonwithstanding — Misspelling of notwithstanding.
- norethandrolone — An anabolic steroid.
- normally-closed — Normally-closed switch contacts are in a closed state at rest.
- north highlands — a town in central California, near Sacramento.
- north tonawanda — a city in W New York.
- northeastwardly — Towards the northeast.
- northwestwardly — Towards the northwest.
- not a dickybird — not a word; nothing
- not give a damn — If you say that someone does not give a damn about something, you are emphasizing that they do not care about it at all.
- not lift a hand — to do nothing; not even try
- notwithstanding — in spite of; without being opposed or prevented by: Notwithstanding a brilliant defense, he was found guilty. She went to the game anyway, doctor's orders notwithstanding.
- nuclear-powered — powered by nuclear energy
- nuisance ground — a garbage dump.
- obedience trial — a competitive event at which a dog can progress toward a degree in obedience by demonstrating its ability to follow a prescribed series of commands.
- object database — a database format in which information is shown in the form of objects
- object distance — the distance between the lens of a camera and an object being photographed.
- obsidian dating — a method of dating obsidian artifacts or debitage by calculating how long it has taken to produce a given thickness of a hydration layer within such matter.
- obsidional coin — siege piece.
- occipitomastoid — (anatomy) Relating to, or connecting the occipital and mastoid bones.
- ocean greyhound — a fast ship, esp a liner
- odd permutation — a permutation of a set of n elements, x 1 , x 2 , …, xn, which permutes the product of all differences of the form (xi – xj), where i is less than j, into the negative of the product.
- odontostomatous — having jaws that resemble teeth
- of mice and men — a novel (1937) and play (1938) by John Steinbeck.
- off one's guard — to keep safe from harm or danger; protect; watch over: to guard the ruler.
- off one's hands — for which one is no longer responsible
- oil of lavender — an essential oil distilled from lavender flowers, especially Lavandula angustifolia and L. stoechas, and used in perfumery.
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- olbers' paradox — the paradox that if the universe consisted of an infinite number of stars equally distributed through space, then every line of sight would come from a star and the night sky would glow uniformly, which is observationally not true.
- old age pension — An old age pension is a regular amount of money that people receive from the government when they have retired from work.
- old clothes man — a person who deals in second-hand clothes
- old father time — time personified
- old high german — High German before 1100. Abbreviation: OHG.
- old man's beard — fringe tree.
- old wives' tale — a traditional belief, story, or idea that is often of a superstitious nature.
- old-established — established for a long time
- old-man's-beard — fringe tree.
- old-man-the-sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
- oldenbarneveldt — Johan van. 1547–1619, Dutch statesman, regarded as a founder of Dutch independence; the leading figure (from 1586) in the United Provinces of the Netherlands: executed by Maurice of Nassau
- oligodendroglia — Oligodendrocytes collectively.
- oligohydramnios — (medicine) A deficit of amniotic fluid in the amniotic sac, causing distinctive deformations of the foetus.