12-letter words containing o, n, i
- deviationism — ideological deviation (esp from orthodox Communism)
- deviationist — One who deviates from accepted beliefs or policies, especially from a prescribed form of Communism.
- devon island — an island in the Nunavut Territory, N Canada. 20,900 sq. mi. (54,100 sq. km).
- devon minnow — a spinning lure intended to imitate the swimming motion of a minnow
- devotionally — In a devotional manner.
- diabetogenic — causing or producing diabetes
- diagonalized — Simple past tense and past participle of diagonalize.
- diamond bird — any small insectivorous Australian songbird of the genus Pardalotus, having a diamond-patterned plumage
- diamond dust — pulverized diamonds, used as an abrasive.
- diamond head — promontory in SE Oahu, Hawaii, near Honolulu, consisting of the rim of an extinct volcanic crater
- diamond lane — a highway or street lane for buses and passenger vans marked with a large diamond shape on the pavement.
- diamondbacks — Plural form of diamondback.
- diaphanously — In a diaphanous manner or to a diaphanous extent.
- diatonically — In a diatonic manner.
- diazomethane — a yellow odourless explosive gas, used as a methylating agent. Formula: CH2:N:N
- dibenzofuran — an organic compound (C12H8O) composed of two benzene rings fused to a central furan ring
- dicotyledons — Plural form of dicotyledon.
- dictionaries — Plural form of dictionary.
- dictionarist — (rare) a person who creates dictionaries.
- dictyopteran — any insect of the order Dictyoptera, which comprises the cockroaches and mantises
- diencephalon — the posterior section of the forebrain.
- diffusionism — the theory or principle that diffusion is the main force in cultural innovation and change.
- diffusionist — the theory or principle that diffusion is the main force in cultural innovation and change.
- difunctional — Bifunctional.
- digitisation — The conversion of data from analog to digital or binary.
- digitization — to convert (data) to digital form for use in a computer.
- digladiation — fighting with swords or hand-to-hand
- digressional — Pertaining to, or having the character of, a digression; departing from the main purpose or subject.
- diisocyanate — (chemistry) Any compound containing two isocyanate anions or functional groups, but especially such an organic compound used in the preparation of polyurethane.
- dijudication — the act or process of dijudicating
- dilaceration — the act of dilacerating.
- dilapidation — to cause or allow (a building, automobile, etc.) to fall into a state of disrepair, as by misuse or neglect (often used passively): The house had been dilapidated by neglect.
- dilatational — a dilated formation or part.
- dilatoriness — tending to delay or procrastinate; slow; tardy.
- dilucidation — elucidation
- dime a dozen — a cupronickel-clad coin of the U.S. and Canada, the 10th part of a dollar, equal to 10 cents.
- dimensioning — Present participle of dimension.
- dimerization — (chemistry) Any chemical reaction in which two monomers react to form a dimer.
- dineolignane — (organic chemistry) Any derivative of a lignane having four propylbenzene residues.
- dinner money — money given to school children to buy dinner at school
- dinosaur pen — A traditional mainframe computer room complete with raised flooring, special power, its own ultra-heavy-duty air conditioning, and a side order of Halon fire extinguishers. See boa.
- dinucleotide — a molecule composed of two nucleotide subunits.
- diphthongize — to change into or pronounce as a diphthong.
- diplogenesis — the double production or formation of something that is normally single, such as a doubled part in a fetus or a double fetus
- diprionidian — (of a graptolite) with a row of cellules or serrations on both sides
- dipropellant — bipropellant.
- dipsomaniacs — Plural form of dipsomaniac.
- dirty blonde — woman's hair colour: dark blonde
- disaccordant — not agreeing
- disaffection — the absence or alienation of affection or goodwill; estrangement; disloyalty: Disaffection often leads to outright treason.