13-letter words containing d, e, r, u
- mordant rouge — a solution of aluminum acetate in acetic acid, used in dyeing and calico printing.
- mottled umber — a brownish geometrid moth, Erannis defoliaria, whose looper larvae can strip branches and even trees
- mound builder — a member of one of the various American Indian tribes who, in prehistoric and early historic times, erected the burial mounds and other earthworks of the Mississippi drainage basin and southeastern U.S.
- mound-builder — a member of one of the various American Indian tribes who, in prehistoric and early historic times, erected the burial mounds and other earthworks of the Mississippi drainage basin and southeastern U.S.
- mourning dove — variety of pigeon
- much-traveled — A much-traveled person has traveled a lot in foreign countries.
- mud wrestling — sport: physical combat in mud
- mud-wrestling — wrestling in an enclosure with a floor or base of wet mud, staged as a public display and competitive event.
- multibranched — Having more than one branch.
- multicoloured — Alternative spelling of multicolored.
- multicultured — Having more than one culture.
- multicylinder — having more than one cylinder, as an internal-combustion or steam engine.
- multiramified — having several branches or branchlike parts
- multistranded — having several strands
- multithreaded — multithreading
- murder weapon — the weapon that was used in a murder
- murderousness — The state or condition of being murderous.
- murexide test — a test in which treatment of a substance, usually urine, with nitric acid and ammonia indicates the presence of uric acid by formation of murexide.
- muzzle-loader — a firearm that is loaded through the muzzle.
- muzzleloaders — Plural form of muzzleloader.
- natural death — death that occurs from natural causes, as disease or old age, rather than from violence or an accident.
- neighbourhood — Standard spelling of neighborhood.
- neuraminidase — An enzyme, present in many pathogenic or symbiotic microorganisms, that catalyzes the breakdown of glycosides containing neuraminic acid.
- neuroectoderm — (anatomy) The region of the ectoderm of an embryo that develops into the central nervous system and other nervous tissue.
- neurofeedback — The presentation of realtime feedback on brainwave activity, as measured by sensors on the scalp, sometimes offered as a means of therapy.
- neuropeptides — Plural form of neuropeptide.
- niche product — sth of specific or limited consumer interest
- nitroprusside — (inorganic chemistry) Any salt, of the hypothetical nitroprussic acid, that contains a pentacyanonitrosylferrate anion.
- nitrous oxide — a colorless, sweet-smelling, sweet-tasting, nonflammable, slightly water-soluble gas, N 2 O, that sometimes produces a feeling of exhilaration when inhaled: used chiefly as an anesthetic in dentistry and surgery, in the manufacture of chemicals, and as an aerosol.
- nom de guerre — an assumed name, as one under which a person fights, paints, writes, etc.; pseudonym.
- non-budgetary — an estimate, often itemized, of expected income and expense for a given period in the future.
- non-credulous — marked by or arising from credulity: a credulous rumor.
- non-dangerous — full of danger or risk; causing danger; perilous; risky; hazardous; unsafe.
- non-reducible — capable of being reduced.
- nonauthorized — Not authorized.
- nondisclosure — the act or an instance of disclosing; exposure; revelation.
- nondiscursive — passing aimlessly from one subject to another; digressive; rambling.
- nondisruptive — causing, tending to cause, or caused by disruption; disrupting: the disruptive effect of their rioting.
- nonfraudulent — Not fraudulent.
- nonguaranteed — Not guaranteed; unguaranteed.
- nonprejudiced — Not prejudiced.
- nonproductive — not productive; unproductive.
- nonrefundable — an amount refunded.
- nonstructured — not structured; unstructured
- nubian desert — an arid region in the NE Sudan.
- nudiustertian — (rare, obsolete) Of the day before yesterday.
- nurse-midwife — a nurse skilled in assisting women in the prenatal period and in childbirth, especially at home or in another nonhospital setting.
- obiter dictum — an incidental or passing remark, opinion, etc.
- odoriferously — In an odoriferous manner.
- off-side rule — A lexical convention due to Landin, allowing the scope of declarations in a program to be expressed by indentation. Any non-whitespace token to the left of the first such token on the previous line is taken to be the start of a new declaration. Used in, for example, Miranda and Haskell.