12-letter words containing n, d, o, u
- donald budge — (John) Donald, 1915–2000, U.S. tennis player.
- donald knuth — (person) Donald E. Knuth, the author of the TeX document formatting system, Metafont its font-design program and the 3 volume computer science "Bible" of algorithms, "The Art of Computer Programming". Knuth suggested the name "Backus-Naur Form" and was also involved in the SOL simulation language, and developed the WEB literate programming system. See also MIX, Turingol.
- door curtain — a curtain that fills a doorway
- 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.
- down and out — downward; going or directed downward: the down escalator.
- down-and-out — without any money, or means of support, or prospects; destitute; penniless.
- downregulate — To decrease the number of cell receptors by using downregulation.
- dreadnoughts — Plural form of dreadnought.
- drop curtain — a curtain that is lowered into position from the flies.
- droughtiness — Dryness of the weather; lack of rain.
- dry mounting — the technique of fastening a print, photograph, or the like to a board by using a heated thermoplastic tissue as an adhesive.
- dual-control — having dual controls
- duck-shoving — the evasion of responsibility by someone
- 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.
- dumbfounding — Present participle of dumbfound.
- dumbing down — the act or process of making something less intellectually demanding; a pejorative use
- 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
- duplications — Plural form of duplication.
- 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.
- dysfunctions — Plural form of dysfunction.
- 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.
- egads button — a switch that triggers the destruction in flight of a malfunctioning missile.
- elucidations — Plural form of elucidation.
- endeavouring — Present participle of endeavour.
- endogenously — In an endogenous manner.
- endonuclease — An enzyme that cleaves a polynucleotide chain by separating nucleotides other than the two end ones.
- endophyllous — enclosed in a leaf or sheath
- endovascular — Within a blood vessel.
- eunuchoidism — A syndrome in males with a lack of sex characteristics due to lack of proper male sex hormones.
- face down/up — If someone or something is face down, their face or front points downwards. If they are face up, their face or front points upwards.
- fardel-bound — (of ruminants) having the food impacted in the third compartment of the stomach; costive; constipated.
- favouredness — the quality of or extent to which something is favoured
- flindermouse — (obsolete) A bat (the mammal).