12-letter words containing p, e, r, i, o, n
- conidiophore — a simple or branched hypha that bears spores (conidia) in such fungi as Penicillium
- conidiospore — a conidium
- conspiracies — Plural form of conspiracy.
- consumership — the state of being a consumer
- contemporise — to place in or regard as belonging to the same age or time.
- contemporize — to be or make contemporary; synchronize
- cooperations — an act or instance of working or acting together for a common purpose or benefit; joint action.
- coprocessing — the act of processing jointly
- copy-reading — to work on (copy) as a copyreader.
- corncob pipe — a pipe made from a dried corncob
- costophrenic — Synonym of phrenicocostal.
- coulter pine — a California pine, Pinus coulteri, having stout, bluish-green needles and heavy cones 9 to 14 inches (23 to 36 cm) long.
- counterpoint — Something that is a counterpoint to something else contrasts with it in a satisfying way.
- counterpoise — a force, influence, etc, that counterbalances another
- counterspies — Plural form of counterspy.
- criosphinxes — Plural form of criosphinx.
- crospovidone — Crospovidone is a substance used in tablets as a binder or disintegrant.
- crown prince — A Crown Prince is a prince who will be king of his country when the present king or queen dies.
- cryptomnesia — the reappearance of a suppressed or forgotten memory which is mistaken for a new experience
- cryptomnesic — of, relating to, or characterized by cryptomnesia
- curtain pole — a pole from which a curtain is hung in front of a window, door, etc
- cyclosporine — a drug, produced by a fungus (Tolypocladium inflatum), that suppresses the T cells that reject foreign tissue after an organ transplant without suppressing other cells that fight infections and cancer
- danger point — the point at which something ceases to be safe
- daphnephoria — an ancient Greek festival in honor of Apollo.
- de profundis — out of the depths of misery or dejection
- deaspiration — the act of deaspirating
- deportations — Plural form of deportation.
- 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.
- derepression — the act of derepressing a gene
- descriptions — a statement, picture in words, or account that describes; descriptive representation.
- 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
- dictyopteran — any insect of the order Dictyoptera, which comprises the cockroaches and mantises
- 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.
- dipropellant — bipropellant.
- disoperation — a relationship between two organisms in a community that is harmful to both
- dispensatory — a book in which the composition, preparation, and uses of medicinal substances are described; a nonofficial pharmacopoeia.
- disportments — to divert or amuse (oneself).
- domino paper — a marbleized or figured decorative paper, used for wallpaper, end papers, etc., printed from wood blocks and colored by hand.
- doorstepping — talking to someone at the door of their home, for political canvassing or to gather information
- dopaminergic — activated by or sensitive to dopamine.
- drapetomania — (dated) an overwhelming urge to run away (from home, a bad situation, responsibility, etc.).
- emancipators — Plural form of emancipator.
- emancipatory — Of or pertaining to emancipation or to an emancipator.
- enantiomorph — Each of two crystalline or other geometric forms that are mirror images of each other.
- enantiotropy — the possibility for stable polymorphs to exist in different states on either side of a transition-point temperature
- endomorphism — changes in a cooling body of igneous rock brought about by assimilation of fragments of, or chemical reaction with, the surrounding country rock
- endoparasite — A parasite, such as a tapeworm, that lives inside its host.
- endoperoxide — one of the substances formed in the biosynthesis of prostaglandins