8-letter words containing a, d, i, o
- dimaggio — Joseph Paul ("Joe"; "Joltin' Joe") 1914–1999, U.S. baseball player.
- dinosaur — 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.
- diocesan — of or relating to a diocese.
- dionysia — The orgiastic Ancient Greek festivals seasonally held in honor of Dionysus, which evolved into Greek comedy and tragedy.
- dioptase — a mineral, hydrous copper silicate, CuSiO 3 ⋅H 2 O, occurring in emerald-green crystals.
- dioramas — Plural form of diorama.
- dioramic — a scene, often in miniature, reproduced in three dimensions by placing objects, figures, etc., in front of a painted background.
- diphonia — diplophonia.
- diplomas — Plural form of diploma.
- diplomat — a person appointed by a national government to conduct official negotiations and maintain political, economic, and social relations with another country or countries.
- diplopia — a pathological condition of vision in which a single object appears double (opposed to haplopia).
- disadorn — To deprive of ornaments.
- disallow — to refuse to allow; reject; veto: to disallow a claim for compensation.
- disavows — Third-person singular simple present indicative form of disavow.
- disfavor — unfavorable regard; displeasure; disesteem; dislike: The prime minister incurred the king's disfavor.
- dishoard — to put previously withheld (money) into circulation
- disloyal — false to one's obligations or allegiances; not loyal; faithless; treacherous.
- disposal — availability for use
- distopia — Misspelling of dystopia.
- dochmiac — resembling a dochmius in form or structure
- docimasy — the close examination of a person or substance in order to determine nature, quality and characteristics, formerly used to describe the evaluation of aspirants for public office or citizenship in Ancient Greece, now used of assaying metallic ores
- dog nail — a nail having a head projecting to one side.
- dogmatic — relating to or of the nature of a dogma or dogmas or any strong set of principles concerning faith, morals, etc., as those laid down by a church; doctrinal: We hear dogmatic arguments from both sides of the political spectrum.
- dohnanyi — Ernst von [ernst fuh n] /ɛrnst fən/ (Show IPA), or Ernő [er-nœ] /ˈɛr nœ/ (Show IPA), 1877–1960, Hungarian pianist and composer in the U.S.
- domanial — of or relating to a domain
- domatium — a plant cavity inhabited by commensal insects or mites or, occasionally, microorganisms
- dominant — ruling, governing, or controlling; having or exerting authority or influence: dominant in the chain of command.
- dominate — to rule over; govern; control.
- dominica — one of the Windward Islands, in the E West Indies.
- domitian — (Titus Flavius Domitianus Augustus) a.d. 51–96, Roman emperor 81–96.
- donating — Present participle of donate.
- donation — an act or instance of presenting something as a gift, grant, or contribution.
- donatism — (Christianity) An early Christian belief which maintained that apostate priests were incapable of administering the sacraments, as opposed to the orthodox view that any sacrament administered by a properly ordained priest or bishop is valid, regardless of how sinful he is or if he has converted to another religion.
- donatist — a member of a Christian sect that developed in northern Africa in a.d. 311 and maintained that it alone constituted the whole and only true church and that baptisms and ordinations of the orthodox clergy were invalid.
- donative — a gift or donation.
- dong hai — East China Sea.
- doornail — a large-headed nail formerly used for strengthening or ornamenting doors.
- dopamine — Biochemistry. a catecholamine neurotransmitter in the central nervous system, retina, and sympathetic ganglia, acting within the brain to help regulate movement and emotion: its depletion may cause Parkinson's disease. Compare dopa.
- dorsalis — dorsal1 .
- dotation — an endowment.
- douanier — a customs officer or official.
- douzaine — a bet in roulette on 12 numbers simultaneously so as to share in any that win.
- dovetail — a tenon broader at its end than at its base; pin.
- doxastic — Of, pertaining to, or depending on opinion; conjectural.
- draconic — (often lowercase) Draconian.
- draconid — any of several unrelated meteor showers whose radiants are in the constellation Draco.
- draconis — a late 7th-century b.c. Athenian statesman noted for the severity of his code of laws.
- duration — the length of time something continues or exists (often used with the).
- dyslogia — inability to express ideas because of faulty reasoning or speech, due to a mental disorder.
- dysosmia — an impairment of the sense of smell.