12-letter words containing o, n, p, a
- cyclopropane — a colourless flammable gaseous hydrocarbon, used in medicine as an anaesthetic; trimethylene. It is a cycloalkane with molecules containing rings of three carbon atoms. Formula: C3H6; boiling pt: –34°C
- d'anjou pear — Anjou pear
- danger point — the point at which something ceases to be safe
- daphnephoria — an ancient Greek festival in honor of Apollo.
- deaspiration — the act of deaspirating
- decapitation — to cut off the head of; behead: Many people were decapitated during the French Revolution.
- decompensate — to undergo decompensation due to disease or impairment
- delapidation — Dated form of dilapidation.
- demonography — a treatise on demons.
- deoppilation — the removal of obstructions
- depopulating — Present participle of depopulate.
- depopulation — to remove or reduce the population of, as by destruction or expulsion.
- deportations — Plural form of deportation.
- deposit loan — a loan to cover the cost of a deposit on something such as rented accommodation
- depositation — the act of depositing
- depositional — of or relating to a deposition
- depreciation — the reduction in value of a fixed asset due to use, obsolescence, etc
- depredations — the act of preying upon or plundering; robbery; ravage.
- deprivations — Plural form of deprivation.
- deprotonated — Simple past tense and past participle of deprotonate.
- deputization — the act of making someone a deputy
- despoliation — the act of despoiling; plunder or pillage
- detectaphone — a device for listening secretly to others' telephone conversations
- 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
- diaphanously — In a diaphanous manner or to a diaphanous extent.
- dictyopteran — any insect of the order Dictyoptera, which comprises the cockroaches and mantises
- diencephalon — the posterior section of the forebrain.
- 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.
- 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.
- dipsomaniacs — Plural form of dipsomaniac.
- disappointed — depressed or discouraged by the failure of one's hopes or expectations: a disappointed suitor.
- disapproving — Expressing an unfavorable opinion.
- disceptation — (archaic) Controversy; disputation; discussion.
- disoperation — a relationship between two organisms in a community that is harmful to both
- dispensation — an act or instance of dispensing; distribution.
- dispensatory — a book in which the composition, preparation, and uses of medicinal substances are described; a nonofficial pharmacopoeia.
- disputations — Plural form of disputation.
- dissapointed — Misspelling of disappointed.
- dissipations — Plural form of dissipation.
- dodecaphonic — musical composition using the 12-tone technique.
- dolphinarium — An aquarium in which dolphins are kept and trained for public entertainment.
- domino paper — a marbleized or figured decorative paper, used for wallpaper, end papers, etc., printed from wood blocks and colored by hand.
- dopaminergic — activated by or sensitive to dopamine.
- doppelganger — a ghostly double or counterpart of a living person.
- doppleganger — Misspelling of doppelganger.
- down payment — an initial amount paid at the time of purchase, in installment buying, time sales, etc.
- draftsperson — a person employed in making mechanical drawings, especially in an architectural or engineering firm.
- drapetomania — (dated) an overwhelming urge to run away (from home, a bad situation, responsibility, etc.).