10-letter words containing p, o, t, n
- opalescent — exhibiting a play of colors like that of the opal.
- open court — a court or trial to which members of the public are freely admitted
- open quote — the quotation mark used to begin a quotation (“ or ").
- open sight — (on a firearm) a rear sight consisting of a notch across which the gunner aligns the front sight on the target.
- open stock — merchandise, especially china, silverware, and glassware, sold in sets with additional individual pieces available from stock for future purchases, as for replacement.
- open-stack — having or being a system of library management in which patrons have direct access to stacks for browsing and selecting books; open-shelf.
- operations — Plural form of operation.
- opiniative — Archaic form of opinionative.
- opinionate — (transitive, intransitive) To have or express as an opinion; to opine.
- opinionist — One fond of his own notions, or unduly attached to his own opinions.
- opposition — the action of opposing, resisting, or combating.
- optimising — to make as effective, perfect, or useful as possible.
- optimizing — Something whose purpose is to optimize.
- optionable — the power or right of choosing.
- optionally — left to one's choice; not required or mandatory: Formal dress is optional.
- orange-tip — a European butterfly, Anthocharis cardamines, having whitish wings with orange-tipped forewings: family Pieridae
- organ stop — a set of organ pipes allowed to sound as a group by stopping all others
- ornithopod — any herbivorous dinosaur of the suborder Ornithopoda whose members usually walked erect on their hind legs.
- orthopneic — difficult or painful breathing except in an erect sitting or standing position.
- orthopnoea — difficult or painful breathing except in an erect sitting or standing position.
- osteopenia — Reduced bone mass of lesser severity than osteoporosis.
- outleaping — Present participle of outleap.
- outpassion — to surpass in passion
- outpatient — a patient who receives treatment at a hospital, as in an emergency room or clinic, but is not hospitalized.
- outplaying — Present participle of outplay.
- outpointed — Simple past tense and past participle of outpoint.
- outpouring — outpouring.
- outputting — the act of turning out; production: the factory's output of cars; artistic output.
- overpotent — excessively potent or powerful
- paddington — a former residential borough of Greater London, England, now part of Westminster.
- pagination — Bibliography. the number of pages or leaves of a book, manuscript, etc., identified in bibliographical description or cataloging.
- paint bomb — a device containing paint which explodes on impact
- palagonite — a yellow basaltic glass
- palliation — to relieve or lessen without curing; mitigate; alleviate.
- palmerston — Henry John Temple, 3rd Viscount, 1784–1865, British statesman: prime minister 1855–58, 1859–65.
- palo santo — a South American tree, Bulnesia sarmienti, of the caltrop family, yielding a fragrant essential oil.
- pancreato- — pancreas
- panic bolt — a bar that spans an emergency exit door on its interior and opens the latch when pressure is applied.
- panopticon — a building, as a prison, hospital, library, or the like, so arranged that all parts of the interior are visible from a single point.
- pansophist — someone with universal knowledge
- pantalones — pantaloons, a man's close-fitting garment for the hips and legs, worn especially in the 19th century, but varying in form from period to period; trousers.
- pantaloons — pantaloons, a man's close-fitting garment for the hips and legs, worn especially in the 19th century, but varying in form from period to period; trousers.
- pantheonic — a domed circular temple at Rome, erected a.d. 120–124 by Hadrian, used as a church since a.d.
- pantograph — Also, pantagraph. an instrument for the mechanical copying of plans, diagrams, etc., on any desired scale.
- pantomimed — the art or technique of conveying emotions, actions, feelings, etc., by gestures without speech.
- pantomimic — the art or technique of conveying emotions, actions, feelings, etc., by gestures without speech.
- pantophagy — the consumption of all types of food
- pantoscope — a panoramic camera
- pantothere — any animal of the extinct order Pantotheria that lived during the late Mesozoic Era, believed to be the ancestor of the marsupial and placental mammals.
- panzerotto — a baked turnover with a folded, sealed pocket containing tomato, cheese, and sometimes other fillings