9-letter words containing a, d, i, o
- drain rod — one of a series of flexible rods with threaded ends that screw together and can be pushed to and fro in a drain to clear a blockage
- draw into — involve sb in sth
- droitural — pertaining to right of ownership as distinguished from right of possession.
- dropsical — of, like, or affected with dropsy.
- dundonian — a native or inhabitant of Dundee
- duobinary — denoting a communications system for coding digital data in which three data bands are used, 0, +1, –1
- duplation — multiplication by two; doubling.
- durations — Plural form of duration.
- dysgnosia — any intellectual impairment.
- dysphonia — any disturbance of normal vocal function.
- dysphoria — a state of dissatisfaction, anxiety, restlessness, or fidgeting.
- dystopian — a society characterized by human misery, as squalor, oppression, disease, and overcrowding.
- dystopias — Plural form of dystopia.
- editorial — an article in a newspaper or other periodical or on a website presenting the opinion of the publisher, writer, or editor.
- education — the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life.
- ego ideal — an internal ideal of personal perfection that represents what one wants to be rather than what one ought to be and is derived from one's early relationship with one's parents
- eidograph — a type of pantograph that was invented by the Scottish mathematician William Wallace in 1821 and which was more accurate than other pantographs
- episodial — Episodic.
- estradiol — A major estrogen produced in the ovaries.
- ethmoidal — Ethmoid.
- etiolated — (of a plant) pale and drawn out due to a lack of light.
- etomidate — (medicine) A short-acting intravenous anaesthetic, ethyl 3-[(1R)-1-phenylethyl]imidazole-4-carboxylate.
- eudemonia — Happiness, well-being.
- exodontia — The extraction of teeth.
- exudation — The act of exuding.
- fabrikoid — a waterproof fabric made of cloth coated with pyroxylin
- factoidal — of or resembling a factoid; (of a piece of writing) comprising facts and factoids
- fair do's — equal shares or treatment
- fairyhood — a fairy nature or state: the fairyhood of Puck.
- fais-dodo — a country dance party.
- falconoid — an antioxidant compound found in tea and thought to resist cancer
- fashioned — Simple past tense and past participle of fashion.
- feijoadas — Plural form of feijoada.
- filopodia — thin projections extending from the edge of migrating cells
- fireboard — a board used to close a fireplace.
- firozabad — a city in Uttar Pradesh state, N central India.
- flavonoid — flavonoid.
- flipboard — a piece of office equipment consisting of a board to which a flip chart or some other pad can be attached
- floriated — made of or decorated with floral ornamentation: floriated design; floriated china.
- floridean — of or relating to members of the botanical genus Florideae (red algae)
- floridian — of or relating to the state of Florida.
- focalized — Simple past tense and past participle of focalize.
- foederati — Plural form of foederatus.
- foodchain — Alternative spelling of food chain.
- foodgrain — Cereal (grain grown as human food).
- forbiddal — Lb archaic The act of forbidding something.
- formamide — (organic compound) The amide of formic acid HCO-NH2 or any N-substituted derivative; they are used in the synthesis of pharmaceuticals.
- fungoidal — of, relating to, or caused by a fungus or fungi; resembling a fungus or fungi; fungoid
- gabionade — a row of gabions submerged in a waterway, stream, river, etc, to control the flow of water
- galactoid — resembling milk; milky.