9-letter words containing a, p, r, o
- aspirator — a device employing suction, such as a jet pump or one for removing fluids from a body cavity
- atemporal — having the quality of being uninfluenced, ungoverned or unchanged by time
- atom trap — a device in which atoms or particles are slowed by the use of lasers and then confined to a small region of space.
- atrophied — exhibiting or affected with atrophy; wasted; withered; shriveled: an atrophied arm; an atrophied talent.
- atrophies — Also, atrophia [uh-troh-fee-uh] /əˈtroʊ fi ə/ (Show IPA). Pathology. a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.
- au poivre — coated with crushed black peppercorns, sautéed, and usually flamed with brandy and served with a sauce
- auriscope — a medical instrument for examining the external ear
- auriscopy — (medicine) Examination of the ear using an auriscope.
- autograph — An autograph is the signature of someone famous which is specially written for a fan to keep.
- autoreply — a facility for sending automated replies to email messages
- autospore — a nonmotile algal spore that develops adult characteristics before being released
- autotroph — any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists.
- auxospore — a diatom cell before its silicaceous cell wall is formed
- auxotroph — a mutant strain of microorganism having nutritional requirements additional to those of the normal organism
- avoparcin — an antibiotic, now banned in the EU, formerly used to treat farm animals
- azeotrope — a mixture of liquids that boils at a constant temperature, at a given pressure, without change of composition
- azeotropy — the existence of azeotropes
- azo group — the bivalent group −N=N− united to two aromatic groups, as in azobenzene.
- babyproof — made safe for babies to come into contact with
- backdrops — Plural form of backdrop.
- bar-spoon — a long-handled spoon, usually having the capacity of a teaspoon, used for mixing or measuring ingredients for alcoholic drinks.
- bargepole — a long pole used to propel a barge
- barhopped — Simple past tense and past participle of barhop.
- barograph — a self-recording aneroid barometer
- barophile — An organism that lives and thrives under high barometric pressure; a form of extremophile.
- baroscope — any instrument for measuring atmospheric pressure, esp a manometer with one side open to the atmosphere
- barotropy — a state of fluid stratification in which surfaces of constant pressure and others of constant density do not intersect but are parallel.
- barperson — a person who serves in a pub: used esp in advertisements
- below par — If you say that someone or something is below par or under par, you are disappointed in them because they are below the standard you expected.
- biography — A biography of someone is an account of their life, written by someone else.
- bioparent — a biological parent
- biopiracy — the use of wild plants by international companies to develop medicines, without recompensing the countries from which they are taken
- biopirate — a person who is responsible for biopiracy
- blepharo- — eyelid, eyelids
- boat trip — a trip in a boat
- body part — a part of a human body
- body wrap — a beauty treatment in which the body is covered in lotion and wrapped tightly in strips of cloth in order to promote weight loss or improve skin tone
- bog paper — toilet paper
- bolograph — a record made by a bolometer
- bonaparte — Jérôme (ʒerom), brother of Napoleon I. 1784–1860, king of Westphalia (1807–13)
- bookpaper — the paper used in printing books, especially when of superior quality.
- bootstrap — If you bootstrap an organization or an activity, you set it up or achieve it alone, using very few resources.
- broomrape — any orobanchaceous plant of the genus Orobanche: brownish small-flowered leafless parasites on the roots of other plants, esp on legumes
- campeador — a champion
- camporees — Plural form of camporee.
- canephora — Caryatid that supports a basket on her head.
- capacitor — A capacitor is a device for accumulating electric charge.
- caparison — a decorated covering for a horse or other animal, esp (formerly) for a warhorse
- cape horn — a rocky headland on an island at the extreme S tip of South America, belonging to Chile. It is notorious for gales and heavy seas; until the building of the Panama Canal it lay on the only sea route between the Atlantic and the Pacific
- cape roca — a cape in SW central Portugal, near Lisbon: the westernmost point of continental Europe