9-letter words containing u, d, a, i
- dicumarol — a white, crystalline powder, C19H12O6, originally extracted from spoiled sweet clover, used to retard blood clots
- difflugia — a genus of ameboid protozoans that construct a shell of cemented sand grains.
- diffusate — (in dialysis) the solution or the crystalline material that passes into it through the semipermeable membrane; dialyzate.
- dilutable — capable of being diluted
- dinosaurs — any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals.
- dip fault — a fault that runs perpendicular to the strike of the affected rocks (i.e. parallel to the plane of the angle of dip of the rocks)
- disabused — Simple past tense and past participle of disabuse.
- disabuses — Third-person singular simple present indicative form of disabuse.
- disadjust — (transitive) to undo an adjustment.
- disattune — to cause (something) to be out of harmony
- disbursal — The act of disbursing money.
- disfavour — unfavorable regard; displeasure; disesteem; dislike: The prime minister incurred the king's disfavor.
- dismayful — filled with dismay
- dismutase — (enzyme) Any of several enzymes that catalyze dismutation reactions.
- disnature — to deprive (something) of its proper nature or appearance; make unnatural.
- dispauper — to divest of the status of a person having the privileges of a pauper, as of public support or of legal rights as a pauper.
- disputant — a person who disputes; debater.
- dissuaded — Simple past tense and past participle of dissuade.
- dissuader — One who dissuades.
- dissuades — Third-person singular simple present indicative form of dissuade.
- disulfate — a salt of pyrosulfuric acid, as sodium disulfate, Na 2 S 2 O 7 .
- disvalued — Simple past tense and past participle of disvalue.
- diuranate — (inorganic chemistry) The dibasic anion U2O72- or any salt containing this anion.
- diurnally — of or relating to a day or each day; daily.
- diuturnal — Durable, long-lasting.
- divulgate — to make publicly known; publish.
- dna virus — any virus containing DNA.
- dong quai — an aromatic herb, Angelica sinensis, of the parsley family, native to China and Japan, used to treat menopausal symptoms, premenstrual syndrome, and menstrual irregularity.
- drainplug — A plug for a drain.
- drepanium — a type of flower cluster shaped like a sickle
- droitural — pertaining to right of ownership as distinguished from right of possession.
- druidical — Alt form Druidical.
- dualistic — of, relating to, or of the nature of dualism.
- dualities — Plural form of duality.
- dubitable — open to doubt; doubtful; uncertain.
- dubitably — Defn en.
- dubitancy — doubt; uncertainty
- ducktails — Plural form of ducktail.
- dulcianas — Plural form of dulciana.
- dundonian — a native or inhabitant of Dundee
- dunnaging — baggage or personal effects.
- dunsinane — a hill NE of Perth, in central Scotland: a ruined fort on its summit is traditionally called Macbeth's Castle. 1012 feet (308 meters).
- duobinary — denoting a communications system for coding digital data in which three data bands are used, 0, +1, –1
- duplation — multiplication by two; doubling.
- duplicand — the twofold increase of feu-duty for the period of a year, or the feu-duty paid, as occasioned at specific times
- duplicate — a copy exactly like an original.
- duralumin — an alloy of aluminum that is 4 percent copper and contains small amounts of magnesium, manganese, iron, and silicon: used for applications requiring lightness and strength, as in airplane construction.
- durations — Plural form of duration.
- duty paid — on which duty has been paid
- duumviral — relating to duumvirs