9-letter words containing p, o
- asepalous — (of a plant or flower) having no sepals
- aspersion — a disparaging or malicious remark; slanderous accusation (esp in the phrase cast aspersions (on))
- asphodels — Plural form of asphodel.
- aspidioid — relating to an aspidium
- aspirator — a device employing suction, such as a jet pump or one for removing fluids from a body cavity
- asymptote — a straight line that is closely approached by a plane curve so that the perpendicular distance between them decreases to zero as the distance from the origin increases to infinity
- ata point — (unit, text) (Or "Anglo-Saxon point") One of the two most common variants of the point, equal to 0.3514598 mm, or 0.0138366 inch, or 1/72.272 inch. The ATA point is used on the island of the United Kingdom and on the American continent.
- atemporal — having the quality of being uninfluenced, ungoverned or unchanged by time
- atmophile — (of a chemical element in the earth) having an affinity for the atmosphere, as neon or helium.
- 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
- audiotape — Audiotape is magnetic tape which is used to record sound.
- audiphone — a type of hearing aid consisting of a diaphragm that, when placed against the upper teeth, conveys sound vibrations to the inner ear
- aulophyte — a free-living plant growing on or in another plant.
- 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.
- autophagy — the consumption of one's own tissue by biting oneself
- autophoby — the reluctance to refer to oneself or be egotistical
- autophone — (archaic) idiophone.
- autophony — a diagnosis made by listening to vibration of one's own voice on the patient's chest
- autophyte — an autotrophic plant, such as any green plant
- autopilot — automatic pilot
- autopista — a Spanish motorway
- autoplast — autograft.
- autopoint — a point-to-point race in motor cars
- autopsied — inspection and dissection of a body after death, as for determination of the cause of death; postmortem examination.
- autopsies — Plural form of autopsy.
- autopsist — a surgeon who specializes in conducting autopsies
- autoreply — a facility for sending automated replies to email messages
- autoscope — An optical instrument for examining one's own eye.
- autoscopy — the experience of hallucination in which one sees oneself from outside one's own body
- 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.
- b complex — vitamin B (complex)
- baby spot — a small spotlight, usually 250–400 watts, used to highlight a specific section of a stage setting or acting area.
- babyproof — made safe for babies to come into contact with
- back copy — A back copy of a magazine or newspaper is the same as a back issue.
- backdrops — Plural form of backdrop.
- backstops — Plural form of backstop.
- bakeshops — Plural form of bakeshop.
- ballpoint — A ballpoint or a ballpoint pen is a pen with a very small metal ball at the end which transfers the ink from the pen onto a surface.