12-letter words containing e, u, o, n
- dodecandrous — (of a plant) having twelve stamens
- dolorousness — The quality of being dolorous.
- donald budge — (John) Donald, 1915–2000, U.S. tennis player.
- double agent — a person who spies on a country while pretending to spy for it.
- double crown — a size of printing paper, 20 × 30 inches (51 × 76 cm).
- double ender — a double-ended vessel.
- double entry — a method in which each transaction is entered twice in the ledger, once to the debit of one account, and once to the credit of another.
- double-blind — of or relating to an experiment or clinical trial in which neither the subjects nor the researchers know which subjects are receiving the active medication, treatment, etc., and which are not: a technique for eliminating subjective bias from the test results.
- double-ended — having the two ends alike.
- double-think — illogical or deliberately perverse thinking in terms that distort or reverse the truth to make it more acceptable
- doubleganger — doppelgänger.
- doubtfulness — of uncertain outcome or result.
- doughnutlike — Resembling a doughnut.
- downregulate — To decrease the number of cell receptors by using downregulation.
- dreadnoughts — Plural form of dreadnought.
- droughtiness — Dryness of the weather; lack of rain.
- ductile iron — any of various cast irons strengthened by having the graphite content in the form of nodules rather than flakes, and containing cerium or magnesium as well as other additives.
- dulcet tones — People often use the expression dulcet tones to refer to someone's voice.
- duodecennial — relating to twelve years
- duodecillion — a cardinal number represented in the U.S. by 1 followed by 39 zeros, and in Great Britain by 1 followed by 72 zeros.
- duodenectomy — a complete or incomplete removal of the duodenum
- dust counter — any instrument used to measure the size and number of dust particles per unit volume in the atmosphere.
- dutch borneo — the former name of the southern and larger part of the island of Borneo: now part of Indonesia.
- earth tongue — any of a group of fungi of the phylum Ascomycota, characterized by a tongue-shaped fruiting body, found on decaying logs and damp soil.
- eating house — a restaurant or other place where one can eat
- echinococcus — any of a number of tapeworms of the genus Echinococcus whose larvae are parasitic in humans and domestic animals.
- echo sounder — a sonar instrument that uses echolocation to measure depths under water.
- educationese — the jargon associated with the field of education.
- educationist — a specialist in the theory and methods of education.
- edulcorating — Present participle of edulcorate.
- edulcoration — (rare) A sweetening.
- effectuation — to bring about; effect.
- effiguration — a detailed and elaborate description of something
- egads button — a switch that triggers the destruction in flight of a malfunctioning missile.
- egg foo yung — a dish of a pancake-shaped omelet containing a mixture of chopped foods.
- ejaculations — Plural form of ejaculation.
- electro-funk — a type of electronic music, originating in the 1980s, characterized by the use of synthesizers with a heavy rhythm and punctuated bass, often influenced by the genres of funk and hip-hop
- electron gun — a heated cathode with an associated system of electrodes and coils for producing and focusing a beam of electrons, used esp in cathode-ray tubes
- electrotonus — the change in the state of irritability and conductivity of a nerve or muscle caused by the passage of an electric current
- eleemosynous — Describes a gift or donation made as an act of charity or almsgiving.
- ellenborough — Earl of, title of Edward Law. 1780–1871, British colonial administrator: governor general of India (1742–44)
- elocutionary — Of or pertaining to elocution or to public speaking; rhetorical.
- elocutionist — Someone who practices or teaches elocution.
- eloquentness — The quality of being eloquent.
- elucidations — Plural form of elucidation.
- elucubration — the practice of elucubrating
- emasculation — The act of depriving of virility, or the state of being so deprived; castration.
- emolumentary — advantageous; tending towards emolument
- encountering — Present participle of encounter.
- encrustation — The action of encrusting or state of being encrusted.