12-letter words containing o, r, a, n
- deuteranopia — a form of colour blindness in which there is a tendency to confuse blues and greens, and greens and reds, and in which sensitivity to green is reduced
- diamond bird — any small insectivorous Australian songbird of the genus Pardalotus, having a diamond-patterned plumage
- dibenzofuran — an organic compound (C12H8O) composed of two benzene rings fused to a central furan ring
- 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
- digressional — Pertaining to, or having the character of, a digression; departing from the main purpose or subject.
- dilaceration — the act of dilacerating.
- dilatoriness — tending to delay or procrastinate; slow; tardy.
- dimerization — (chemistry) Any chemical reaction in which two monomers react to form a dimer.
- 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.
- diprionidian — (of a graptolite) with a row of cellules or serrations on both sides
- dipropellant — bipropellant.
- disaccordant — not agreeing
- disapproving — Expressing an unfavorable opinion.
- discarnation — without a physical body; incorporeal.
- discordantly — disagreeable to the ear; dissonant; harsh.
- discouraging — to deprive of courage, hope, or confidence; dishearten; dispirit.
- discretional — discretionary.
- disenamoured — to disillusion; disenchant (usually used in the passive and followed by of or with): He was disenamored of working in the city.
- disgradation — a deposition of rank or status
- disgregation — the separation of components from a whole, esp of people from a company
- disharmonize — (intransitive) To cause disorder.
- dishonorable — showing lack of honor or integrity; ignoble; base; disgraceful; shameful: Cheating is dishonorable.
- dishonorably — In a dishonorable manner.
- disinvoltura — Self-assurance; lack of constraint.
- disoperation — a relationship between two organisms in a community that is harmful to both
- disordinance — (obsolete) disarrangement; disturbance.
- disorganised — Lacking order or organisation; confused; chaotic.
- disorganized — functioning without adequate order, systemization, or planning; uncoordinated: a woefully disorganized enterprise.
- disorientate — to disorient.
- dispensatory — a book in which the composition, preparation, and uses of medicinal substances are described; a nonofficial pharmacopoeia.
- disseminator — to scatter or spread widely, as though sowing seed; promulgate extensively; broadcast; disperse: to disseminate information about preventive medicine.
- dissertation — a written essay, treatise, or thesis, especially one written by a candidate for the degree of Doctor of Philosophy.
- distractions — Plural form of distraction.
- divarication — to spread apart; branch; diverge.
- diversionary — tending to divert or distract the attention: diversionary tactics of the guerrilla fighters.
- divinatorial — of or related to divination
- diving board — a springboard.
- doctrinaires — Plural form of doctrinaire.
- doctrinarian — A doctrinaire.
- doctrination — (nonstandard) indoctrination.
- dodecahedron — a solid figure having 12 faces.
- dodecandrous — (of a plant) having twelve stamens
- dolly varden — a woman's costume of the late 19th century, including a flower-trimmed, broad-brimmed hat and a dress consisting of a tight bodice and bouffant panniers in a flower print over a calf-length quilted petticoat.
- dolphinarium — An aquarium in which dolphins are kept and trained for public entertainment.
- dominatrices — Plural form of dominatrixThe 'Concise Oxford English Dictionary' [Eleventh Edition].
- domino paper — a marbleized or figured decorative paper, used for wallpaper, end papers, etc., printed from wood blocks and colored by hand.
- donationware — (Internet) A variant of freeware that offers an option to its user to donate money to the program's author.
- door curtain — a curtain that fills a doorway